1. Erosion Productivity Impact Calculator User Manual,1990
2. WEPP User Summary, NSERL Rep. 11,1995
3. ANSWERS (Areal Nonpoint Source Watershed Environment Response Simulation) User's Manual. Publication No. 5;Beasley,1991
4. ANSWERS: A model for watershed planning;Beasley;Transactions of the ASAE,1980
5. A Preliminary Evaluation of ANSWERS in the Georgia Coastal Plains. ASAE Paper No. 89-2044;Breve,1989