1. Effect of Tillage Systems on Runoff Losses of Pesticides, A Rainfall Simulation Study
2. Effect of Scale on the Behavior of Atrazine in Surface Waters
3. 2001. Summary of selected data from field studies of pesticide runoff to surface waters. US Geological Survey. Water-resources investigations report. 00-4284; 114.
4. 1996. Pesticide Use in U.S. Crop Production. National Center for Food and Agricultural Policy: Washington, DC.
5. 1997. Classification and mapping of agricultural land for the National Water-Quality Assessment program. US Geological Survey Circular 1131; 70.