University of Illinois Urbana-Champaign

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Showing 6661–6690 of 8,492 items
Thumbnail for Mass balance of nitrogen and phosphorus in an agricultural watershed : the shallow groundwater component
Mass balance of nitrogen and phosphorus in an agricultural watershed : the shallow groundwater component
Mehnert, Edward; Dey, William S.; Hwang, Hue-Hwa; Keefer, Donald A.; Holm, Thomas R.; Johnson, Thomas M.; Beaumont, Will C.; Wander, Matthew C.F.; Sanford, Robert A.; McDonald, Jennifer M.; Shiffer, Shawn M.

Thumbnail for The chewing lice : world checklist and biological overview
The chewing lice : world checklist and biological overview
Price, Roger D.; Hellenthal, Ronald A.; Palma, Ricardo L.; Johnson, Kevin P.; Clayton, Dale H.