1. Beasley, D. B., Monke, E. J., and Huggins, L. F. ANSWERS: A Model for Watershed Planning. Agricultural Experiment Station Journal Paper No. 7038. Purdue University, West Lafayette, Indiana, 1977.
2. A Model for Runoff of Pesticides from Small Upland Watersheds;Bruce;Journal of Environmental Quality,1975
3. Pesticide Transport and Runoff Model for Agricultural Lands;Crawford,1973
4. Crawford, N. H., and Linsley, R. K. The Synthesis of Continuous Stream. flow Hydrographs on a Digital Computer. Technical Report No. 12, Stanford University, Department of Civil Engineering, Technical Report No. 12, Stanford, California, 1962.
5. DelVecchio, J. R., and Knisel, W. G., Jr. Application of Field-Scale Nonpoint Pollution Model. Proceedings, American Society of Civil Engineers, Irrigation and Drainage Specialty Conference, Orlando, Florida, July 20–23, 1982, pp. 227–236.