• https://www.ideals.illinois.edu/handle/2142/219
• https://www.ideals.illinois.edu/handle/2142/177
• https://www.ideals.illinois.edu/handle/2142/220
• https://www.ideals.illinois.edu/handle/2142/225
• https://www.ideals.illinois.edu/handle/2142/159
• https://www.ideals.illinois.edu/handle/2142/490
• https://www.ideals.illinois.edu/handle/2142/50
• https://www.ideals.illinois.edu/handle/2142/478
• https://www.ideals.illinois.edu/handle/2142/45
• https://www.ideals.illinois.edu/handle/2142/20
• https://www.ideals.illinois.edu/handle/2142/40
• https://www.ideals.illinois.edu/handle/2142/46
• https://www.ideals.illinois.edu/handle/2142/67
• https://www.ideals.illinois.edu/handle/2142/68
• https://www.ideals.illinois.edu/handle/2142/18
• https://www.ideals.illinois.edu/handle/2142/41
• https://www.ideals.illinois.edu/handle/2142/85439
• https://www.ideals.illinois.edu/handle/2142/15
• https://www.ideals.illinois.edu/handle/2142/85432
• https://www.ideals.illinois.edu/handle/2142/87649
• https://www.ideals.illinois.edu/handle/2142/52
• https://www.ideals.illinois.edu/handle/2142/85416
• https://www.ideals.illinois.edu/handle/2142/85433
• https://www.ideals.illinois.edu/handle/2142/33
• https://www.ideals.illinois.edu/handle/2142/85425
• https://www.ideals.illinois.edu/handle/2142/21
• https://www.ideals.illinois.edu/handle/2142/69
• https://www.ideals.illinois.edu/handle/2142/71
• https://www.ideals.illinois.edu/handle/2142/30
• https://www.ideals.illinois.edu/handle/2142/85426
• https://www.ideals.illinois.edu/handle/2142/26
• https://www.ideals.illinois.edu/handle/2142/72
• https://www.ideals.illinois.edu/handle/2142/73
• https://www.ideals.illinois.edu/handle/2142/85427
• https://www.ideals.illinois.edu/handle/2142/47
• https://www.ideals.illinois.edu/handle/2142/85434
• https://www.ideals.illinois.edu/handle/2142/74
• https://www.ideals.illinois.edu/handle/2142/49
• https://www.ideals.illinois.edu/handle/2142/14
• https://www.ideals.illinois.edu/handle/2142/85446
• https://www.ideals.illinois.edu/handle/2142/85428
• https://www.ideals.illinois.edu/handle/2142/85429
• https://www.ideals.illinois.edu/handle/2142/123
• https://www.ideals.illinois.edu/handle/2142/85435
• https://www.ideals.illinois.edu/handle/2142/85436
• https://www.ideals.illinois.edu/handle/2142/137
• https://www.ideals.illinois.edu/handle/2142/85440
• https://www.ideals.illinois.edu/handle/2142/89196
• https://www.ideals.illinois.edu/handle/2142/85430
• https://www.ideals.illinois.edu/handle/2142/85441
• https://www.ideals.illinois.edu/handle/2142/85437
• https://www.ideals.illinois.edu/handle/2142/85431
• https://www.ideals.illinois.edu/handle/2142/85447
• https://www.ideals.illinois.edu/handle/2142/85442
• https://www.ideals.illinois.edu/handle/2142/85438
• https://www.ideals.illinois.edu/handle/2142/85443
• https://www.ideals.illinois.edu/handle/2142/226
• https://www.ideals.illinois.edu/handle/2142/200
• https://www.ideals.illinois.edu/handle/2142/659
• https://www.ideals.illinois.edu/handle/2142/85448
• https://www.ideals.illinois.edu/handle/2142/89204
• https://www.ideals.illinois.edu/handle/2142/85444
• https://www.ideals.illinois.edu/handle/2142/383
• https://www.ideals.illinois.edu/handle/2142/388
• https://www.ideals.illinois.edu/handle/2142/85449
• https://www.ideals.illinois.edu/handle/2142/396
• https://www.ideals.illinois.edu/handle/2142/362
• https://www.ideals.illinois.edu/handle/2142/400
• https://www.ideals.illinois.edu/handle/2142/85417
• https://www.ideals.illinois.edu/handle/2142/85450
• https://www.ideals.illinois.edu/handle/2142/460
• https://www.ideals.illinois.edu/handle/2142/461
• https://www.ideals.illinois.edu/handle/2142/89203
• https://www.ideals.illinois.edu/handle/2142/85445
• https://www.ideals.illinois.edu/handle/2142/89208
• https://www.ideals.illinois.edu/handle/2142/199
• https://www.ideals.illinois.edu/handle/2142/85418
• https://www.ideals.illinois.edu/handle/2142/149
• https://www.ideals.illinois.edu/handle/2142/85419
• https://www.ideals.illinois.edu/handle/2142/122
• https://www.ideals.illinois.edu/handle/2142/355
• https://www.ideals.illinois.edu/handle/2142/87648
• https://www.ideals.illinois.edu/handle/2142/85420
• https://www.ideals.illinois.edu/handle/2142/266
• https://www.ideals.illinois.edu/handle/2142/267
• https://www.ideals.illinois.edu/handle/2142/75
• https://www.ideals.illinois.edu/handle/2142/62
• https://www.ideals.illinois.edu/handle/2142/64
• https://www.ideals.illinois.edu/handle/2142/65
• https://www.ideals.illinois.edu/handle/2142/66
• https://www.ideals.illinois.edu/handle/2142/95
• https://www.ideals.illinois.edu/handle/2142/98
• https://www.ideals.illinois.edu/handle/2142/146
• https://www.ideals.illinois.edu/handle/2142/85421
• https://www.ideals.illinois.edu/handle/2142/85422
• https://www.ideals.illinois.edu/handle/2142/85423
• https://www.ideals.illinois.edu/handle/2142/85424
• https://www.ideals.illinois.edu/handle/2142/89210
• https://www.ideals.illinois.edu/handle/2142/91752
• https://www.ideals.illinois.edu/handle/2142/89212
• https://www.ideals.illinois.edu/handle/2142/89199
• https://www.ideals.illinois.edu/handle/2142/89201
• https://www.ideals.illinois.edu/handle/2142/89197
• https://www.ideals.illinois.edu/handle/2142/13965
• https://www.ideals.illinois.edu/handle/2142/89211
• https://www.ideals.illinois.edu/handle/2142/89202
• https://www.ideals.illinois.edu/handle/2142/89205
• https://www.ideals.illinois.edu/handle/2142/89200
• https://www.ideals.illinois.edu/handle/2142/89207
• https://www.ideals.illinois.edu/handle/2142/89198
• https://www.ideals.illinois.edu/handle/2142/79086
• https://www.ideals.illinois.edu/handle/2142/73015
• https://www.ideals.illinois.edu/handle/2142/34
• https://www.ideals.illinois.edu/handle/2142/25
• https://www.ideals.illinois.edu/handle/2142/111
• https://www.ideals.illinois.edu/handle/2142/118
• https://www.ideals.illinois.edu/handle/2142/491
• https://www.ideals.illinois.edu/handle/2142/112
• https://www.ideals.illinois.edu/handle/2142/113
• https://www.ideals.illinois.edu/handle/2142/141
• https://www.ideals.illinois.edu/handle/2142/342
• https://www.ideals.illinois.edu/handle/2142/38
• https://www.ideals.illinois.edu/handle/2142/96
• https://www.ideals.illinois.edu/handle/2142/97
• https://www.ideals.illinois.edu/handle/2142/85451
• https://www.ideals.illinois.edu/handle/2142/124
• https://www.ideals.illinois.edu/handle/2142/500
• https://www.ideals.illinois.edu/handle/2142/85456
• https://www.ideals.illinois.edu/handle/2142/85453
• https://www.ideals.illinois.edu/handle/2142/208
• https://www.ideals.illinois.edu/handle/2142/175
• https://www.ideals.illinois.edu/handle/2142/128
• https://www.ideals.illinois.edu/handle/2142/617
• https://www.ideals.illinois.edu/handle/2142/204
• https://www.ideals.illinois.edu/handle/2142/374
• https://www.ideals.illinois.edu/handle/2142/85455
• https://www.ideals.illinois.edu/handle/2142/346
• https://www.ideals.illinois.edu/handle/2142/190
• https://www.ideals.illinois.edu/handle/2142/89217
• https://www.ideals.illinois.edu/handle/2142/203
• https://www.ideals.illinois.edu/handle/2142/624
• https://www.ideals.illinois.edu/handle/2142/85457
• https://www.ideals.illinois.edu/handle/2142/87650
• https://www.ideals.illinois.edu/handle/2142/661
• https://www.ideals.illinois.edu/handle/2142/333
• https://www.ideals.illinois.edu/handle/2142/375
• https://www.ideals.illinois.edu/handle/2142/85462
• https://www.ideals.illinois.edu/handle/2142/331
• https://www.ideals.illinois.edu/handle/2142/85454
• https://www.ideals.illinois.edu/handle/2142/19575
• https://www.ideals.illinois.edu/handle/2142/389
• https://www.ideals.illinois.edu/handle/2142/85458
• https://www.ideals.illinois.edu/handle/2142/391
• https://www.ideals.illinois.edu/handle/2142/363
• https://www.ideals.illinois.edu/handle/2142/85463
• https://www.ideals.illinois.edu/handle/2142/85452
• https://www.ideals.illinois.edu/handle/2142/284
• https://www.ideals.illinois.edu/handle/2142/344
• https://www.ideals.illinois.edu/handle/2142/85459
• https://www.ideals.illinois.edu/handle/2142/347
• https://www.ideals.illinois.edu/handle/2142/269
• https://www.ideals.illinois.edu/handle/2142/85464
• https://www.ideals.illinois.edu/handle/2142/345
• https://www.ideals.illinois.edu/handle/2142/180
• https://www.ideals.illinois.edu/handle/2142/327
• https://www.ideals.illinois.edu/handle/2142/85460
• https://www.ideals.illinois.edu/handle/2142/85465
• https://www.ideals.illinois.edu/handle/2142/340
• https://www.ideals.illinois.edu/handle/2142/85461
• https://www.ideals.illinois.edu/handle/2142/462
• https://www.ideals.illinois.edu/handle/2142/334
• https://www.ideals.illinois.edu/handle/2142/85466
• https://www.ideals.illinois.edu/handle/2142/85467
• https://www.ideals.illinois.edu/handle/2142/162
• https://www.ideals.illinois.edu/handle/2142/168
• https://www.ideals.illinois.edu/handle/2142/85468
• https://www.ideals.illinois.edu/handle/2142/85469
• https://www.ideals.illinois.edu/handle/2142/332
• https://www.ideals.illinois.edu/handle/2142/163
• https://www.ideals.illinois.edu/handle/2142/85470
• https://www.ideals.illinois.edu/handle/2142/170
• https://www.ideals.illinois.edu/handle/2142/330
• https://www.ideals.illinois.edu/handle/2142/85471
• https://www.ideals.illinois.edu/handle/2142/329
• https://www.ideals.illinois.edu/handle/2142/286
• https://www.ideals.illinois.edu/handle/2142/85472
• https://www.ideals.illinois.edu/handle/2142/85473
• https://www.ideals.illinois.edu/handle/2142/335
• https://www.ideals.illinois.edu/handle/2142/336
• https://www.ideals.illinois.edu/handle/2142/85474
• https://www.ideals.illinois.edu/handle/2142/482
• https://www.ideals.illinois.edu/handle/2142/438
• https://www.ideals.illinois.edu/handle/2142/85475
• https://www.ideals.illinois.edu/handle/2142/89222
• https://www.ideals.illinois.edu/handle/2142/189
• https://www.ideals.illinois.edu/handle/2142/339
• https://www.ideals.illinois.edu/handle/2142/89216
• https://www.ideals.illinois.edu/handle/2142/214
• https://www.ideals.illinois.edu/handle/2142/89221
• https://www.ideals.illinois.edu/handle/2142/441
• https://www.ideals.illinois.edu/handle/2142/176
• https://www.ideals.illinois.edu/handle/2142/89213
• https://www.ideals.illinois.edu/handle/2142/295
• https://www.ideals.illinois.edu/handle/2142/89215
• https://www.ideals.illinois.edu/handle/2142/89218
• https://www.ideals.illinois.edu/handle/2142/228
• https://www.ideals.illinois.edu/handle/2142/115
• https://www.ideals.illinois.edu/handle/2142/79287
• https://www.ideals.illinois.edu/handle/2142/94183
• https://www.ideals.illinois.edu/handle/2142/116
• https://www.ideals.illinois.edu/handle/2142/117
• https://www.ideals.illinois.edu/handle/2142/171
• https://www.ideals.illinois.edu/handle/2142/501
• https://www.ideals.illinois.edu/handle/2142/592
• https://www.ideals.illinois.edu/handle/2142/78
• https://www.ideals.illinois.edu/handle/2142/502
• https://www.ideals.illinois.edu/handle/2142/138
• https://www.ideals.illinois.edu/handle/2142/126
• https://www.ideals.illinois.edu/handle/2142/3680
• https://www.ideals.illinois.edu/handle/2142/94690
• https://www.ideals.illinois.edu/handle/2142/94800
• https://www.ideals.illinois.edu/handle/2142/970
• https://www.ideals.illinois.edu/handle/2142/167
• https://www.ideals.illinois.edu/handle/2142/968
• https://www.ideals.illinois.edu/handle/2142/139
• https://www.ideals.illinois.edu/handle/2142/127
• https://www.ideals.illinois.edu/handle/2142/165
• https://www.ideals.illinois.edu/handle/2142/249
• https://www.ideals.illinois.edu/handle/2142/368
• https://www.ideals.illinois.edu/handle/2142/166
• https://www.ideals.illinois.edu/handle/2142/635
• https://www.ideals.illinois.edu/handle/2142/466
• https://www.ideals.illinois.edu/handle/2142/1360
• https://www.ideals.illinois.edu/handle/2142/169
• https://www.ideals.illinois.edu/handle/2142/229
• https://www.ideals.illinois.edu/handle/2142/254
• https://www.ideals.illinois.edu/handle/2142/1130
• https://www.ideals.illinois.edu/handle/2142/719
• https://www.ideals.illinois.edu/handle/2142/307
• https://www.ideals.illinois.edu/handle/2142/1141
• https://www.ideals.illinois.edu/handle/2142/1540
• https://www.ideals.illinois.edu/handle/2142/192
• https://www.ideals.illinois.edu/handle/2142/1730
• https://www.ideals.illinois.edu/handle/2142/89230
• https://www.ideals.illinois.edu/handle/2142/251
• https://www.ideals.illinois.edu/handle/2142/1368
• https://www.ideals.illinois.edu/handle/2142/209
• https://www.ideals.illinois.edu/handle/2142/447
• https://www.ideals.illinois.edu/handle/2142/258
• https://www.ideals.illinois.edu/handle/2142/147
• https://www.ideals.illinois.edu/handle/2142/1541
• https://www.ideals.illinois.edu/handle/2142/1522
• https://www.ideals.illinois.edu/handle/2142/1532
• https://www.ideals.illinois.edu/handle/2142/87652
• https://www.ideals.illinois.edu/handle/2142/1628
• https://www.ideals.illinois.edu/handle/2142/1370
• https://www.ideals.illinois.edu/handle/2142/300
• https://www.ideals.illinois.edu/handle/2142/390
• https://www.ideals.illinois.edu/handle/2142/1502
• https://www.ideals.illinois.edu/handle/2142/85482
• https://www.ideals.illinois.edu/handle/2142/393
• https://www.ideals.illinois.edu/handle/2142/279
• https://www.ideals.illinois.edu/handle/2142/1506
• https://www.ideals.illinois.edu/handle/2142/85476
• https://www.ideals.illinois.edu/handle/2142/399
• https://www.ideals.illinois.edu/handle/2142/271
• https://www.ideals.illinois.edu/handle/2142/401
• https://www.ideals.illinois.edu/handle/2142/433
• https://www.ideals.illinois.edu/handle/2142/1648
• https://www.ideals.illinois.edu/handle/2142/232
• https://www.ideals.illinois.edu/handle/2142/1658
• https://www.ideals.illinois.edu/handle/2142/1740
• https://www.ideals.illinois.edu/handle/2142/102
• https://www.ideals.illinois.edu/handle/2142/14769
• https://www.ideals.illinois.edu/handle/2142/259
• https://www.ideals.illinois.edu/handle/2142/289
• https://www.ideals.illinois.edu/handle/2142/1058
• https://www.ideals.illinois.edu/handle/2142/305
• https://www.ideals.illinois.edu/handle/2142/85480
• https://www.ideals.illinois.edu/handle/2142/8301
• https://www.ideals.illinois.edu/handle/2142/12358
• https://www.ideals.illinois.edu/handle/2142/1786
• https://www.ideals.illinois.edu/handle/2142/260
• https://www.ideals.illinois.edu/handle/2142/8985
• https://www.ideals.illinois.edu/handle/2142/484
• https://www.ideals.illinois.edu/handle/2142/85481
• https://www.ideals.illinois.edu/handle/2142/963
• https://www.ideals.illinois.edu/handle/2142/164
• https://www.ideals.illinois.edu/handle/2142/471
• https://www.ideals.illinois.edu/handle/2142/85483
• https://www.ideals.illinois.edu/handle/2142/282
• https://www.ideals.illinois.edu/handle/2142/85484
• https://www.ideals.illinois.edu/handle/2142/292
• https://www.ideals.illinois.edu/handle/2142/143
• https://www.ideals.illinois.edu/handle/2142/85485
• https://www.ideals.illinois.edu/handle/2142/265
• https://www.ideals.illinois.edu/handle/2142/187
• https://www.ideals.illinois.edu/handle/2142/369
• https://www.ideals.illinois.edu/handle/2142/85486
• https://www.ideals.illinois.edu/handle/2142/373
• https://www.ideals.illinois.edu/handle/2142/377
• https://www.ideals.illinois.edu/handle/2142/378
• https://www.ideals.illinois.edu/handle/2142/380
• https://www.ideals.illinois.edu/handle/2142/382
• https://www.ideals.illinois.edu/handle/2142/364
• https://www.ideals.illinois.edu/handle/2142/359
• https://www.ideals.illinois.edu/handle/2142/358
• https://www.ideals.illinois.edu/handle/2142/366
• https://www.ideals.illinois.edu/handle/2142/387
• https://www.ideals.illinois.edu/handle/2142/19677
• https://www.ideals.illinois.edu/handle/2142/398
• https://www.ideals.illinois.edu/handle/2142/403
• https://www.ideals.illinois.edu/handle/2142/89223
• https://www.ideals.illinois.edu/handle/2142/89225
• https://www.ideals.illinois.edu/handle/2142/89229
• https://www.ideals.illinois.edu/handle/2142/89226
• https://www.ideals.illinois.edu/handle/2142/89231
• https://www.ideals.illinois.edu/handle/2142/87651
• https://www.ideals.illinois.edu/handle/2142/85477
• https://www.ideals.illinois.edu/handle/2142/85478
• https://www.ideals.illinois.edu/handle/2142/89228
• https://www.ideals.illinois.edu/handle/2142/89227
• https://www.ideals.illinois.edu/handle/2142/89224
• https://www.ideals.illinois.edu/handle/2142/94691
• https://www.ideals.illinois.edu/handle/2142/79087
• https://www.ideals.illinois.edu/handle/2142/94863
• https://www.ideals.illinois.edu/handle/2142/94897
• https://www.ideals.illinois.edu/handle/2142/94948
• https://www.ideals.illinois.edu/handle/2142/967
• https://www.ideals.illinois.edu/handle/2142/404
• https://www.ideals.illinois.edu/handle/2142/1899
• https://www.ideals.illinois.edu/handle/2142/492
• https://www.ideals.illinois.edu/handle/2142/434
• https://www.ideals.illinois.edu/handle/2142/679
• https://www.ideals.illinois.edu/handle/2142/89242
• https://www.ideals.illinois.edu/handle/2142/964
• https://www.ideals.illinois.edu/handle/2142/1544
• https://www.ideals.illinois.edu/handle/2142/79286
• https://www.ideals.illinois.edu/handle/2142/664
• https://www.ideals.illinois.edu/handle/2142/593
• https://www.ideals.illinois.edu/handle/2142/87657
• https://www.ideals.illinois.edu/handle/2142/512
• https://www.ideals.illinois.edu/handle/2142/629
• https://www.ideals.illinois.edu/handle/2142/87658
• https://www.ideals.illinois.edu/handle/2142/525
• https://www.ideals.illinois.edu/handle/2142/602
• https://www.ideals.illinois.edu/handle/2142/632
• https://www.ideals.illinois.edu/handle/2142/527
• https://www.ideals.illinois.edu/handle/2142/87661
• https://www.ideals.illinois.edu/handle/2142/633
• https://www.ideals.illinois.edu/handle/2142/530
• https://www.ideals.illinois.edu/handle/2142/448
• https://www.ideals.illinois.edu/handle/2142/449
• https://www.ideals.illinois.edu/handle/2142/507
• https://www.ideals.illinois.edu/handle/2142/510
• https://www.ideals.illinois.edu/handle/2142/598
• https://www.ideals.illinois.edu/handle/2142/619
• https://www.ideals.illinois.edu/handle/2142/625
• https://www.ideals.illinois.edu/handle/2142/1518
• https://www.ideals.illinois.edu/handle/2142/87659
• https://www.ideals.illinois.edu/handle/2142/322
• https://www.ideals.illinois.edu/handle/2142/1375
• https://www.ideals.illinois.edu/handle/2142/1233
• https://www.ideals.illinois.edu/handle/2142/367
• https://www.ideals.illinois.edu/handle/2142/87660
• https://www.ideals.illinois.edu/handle/2142/1783
• https://www.ideals.illinois.edu/handle/2142/314
• https://www.ideals.illinois.edu/handle/2142/85487
• https://www.ideals.illinois.edu/handle/2142/89243
• https://www.ideals.illinois.edu/handle/2142/943
• https://www.ideals.illinois.edu/handle/2142/311
• https://www.ideals.illinois.edu/handle/2142/89235
• https://www.ideals.illinois.edu/handle/2142/85488
• https://www.ideals.illinois.edu/handle/2142/1142
• https://www.ideals.illinois.edu/handle/2142/310
• https://www.ideals.illinois.edu/handle/2142/89238
• https://www.ideals.illinois.edu/handle/2142/1629
• https://www.ideals.illinois.edu/handle/2142/325
• https://www.ideals.illinois.edu/handle/2142/79088
• https://www.ideals.illinois.edu/handle/2142/321
• https://www.ideals.illinois.edu/handle/2142/1671
• https://www.ideals.illinois.edu/handle/2142/87653
• https://www.ideals.illinois.edu/handle/2142/89239
• https://www.ideals.illinois.edu/handle/2142/1409
• https://www.ideals.illinois.edu/handle/2142/1679
• https://www.ideals.illinois.edu/handle/2142/89240
• https://www.ideals.illinois.edu/handle/2142/87654
• https://www.ideals.illinois.edu/handle/2142/1689
• https://www.ideals.illinois.edu/handle/2142/1787
• https://www.ideals.illinois.edu/handle/2142/89236
• https://www.ideals.illinois.edu/handle/2142/1237
• https://www.ideals.illinois.edu/handle/2142/89241
• https://www.ideals.illinois.edu/handle/2142/89237
• https://www.ideals.illinois.edu/handle/2142/990
• https://www.ideals.illinois.edu/handle/2142/1734
• https://www.ideals.illinois.edu/handle/2142/87655
• https://www.ideals.illinois.edu/handle/2142/2276
• https://www.ideals.illinois.edu/handle/2142/1788
• https://www.ideals.illinois.edu/handle/2142/87656
• https://www.ideals.illinois.edu/handle/2142/73066
• https://www.ideals.illinois.edu/handle/2142/2328
• https://www.ideals.illinois.edu/handle/2142/720
• https://www.ideals.illinois.edu/handle/2142/93120
• https://www.ideals.illinois.edu/handle/2142/91753
• https://www.ideals.illinois.edu/handle/2142/1888
• https://www.ideals.illinois.edu/handle/2142/320
• https://www.ideals.illinois.edu/handle/2142/1059
• https://www.ideals.illinois.edu/handle/2142/94693
• https://www.ideals.illinois.edu/handle/2142/94801
• https://www.ideals.illinois.edu/handle/2142/12957
• https://www.ideals.illinois.edu/handle/2142/766
• https://www.ideals.illinois.edu/handle/2142/790
• https://www.ideals.illinois.edu/handle/2142/326
• https://www.ideals.illinois.edu/handle/2142/94804
• https://www.ideals.illinois.edu/handle/2142/323
• https://www.ideals.illinois.edu/handle/2142/795
• https://www.ideals.illinois.edu/handle/2142/94831
• https://www.ideals.illinois.edu/handle/2142/94184
• https://www.ideals.illinois.edu/handle/2142/312
• https://www.ideals.illinois.edu/handle/2142/405
• https://www.ideals.illinois.edu/handle/2142/94697
• https://www.ideals.illinois.edu/handle/2142/416
• https://www.ideals.illinois.edu/handle/2142/594