1. Standard Methods for the Examination of Water and Wastewater;American Public Health Association,1985
2. The effect of tillage systems on pesticides in runoff from small watersheds;Baker;Trans. Amer. Soc. Ag. Eng.,1979
3. Nutrient and pesticide movement from field to stream: a field study;Baker,1978
4. Investigation of the thermal regime in a river-aquifer system near Ashland, Nebraska;Chu,1988
5. An appraisal of the effects of artificial recharge on ground water at structure 35-5-2 in the Big Sandy Watershed;Exner,1988