Changnon, Stanley A., Jr.; Ackermann, William C.; White, Gilbert F.; Ivens, J. Loreena; Caulfield, Henry P., Jr.; Drabek, Thomas; Landsberg, Helmut E.; Linsley, Ray K.; Marzolf, G. Richard; Milliman, Jerome W.; Thomas, William A.; Wellings, Flora Mae (Illinois State Water Survey, 1983)