University of Illinois Urbana-Champaign

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Showing 4441–4470 of 7,244 items
Thumbnail for Oil investigations in 1917 and 1918
Oil investigations in 1917 and 1918
Illinois State Geological Survey; Barrett, Nellie Okla; Nebel, Merle Louis; Coryell, Horace Noble; Tough, Fred H.; Williston, Samuel H.; Savage, Thomas Edmund

Thumbnail for Net energy analysis : handbook for combining process and input-output analysis
Net energy analysis : handbook for combining process and input-output analysis
Bullard, Clark W.; Penner, Peter S.; Pilati, David A.