Neitsch, S. L., Arnold, J. R., Williams, J. R. and King, K. W. (2005). Soil and water
Assessment Tool, Theoretical Documentation, Version 2000, Grassland, Soil, and Water
Research Laboratory, Agricultural Research Service: USDA Temple Texas. Published by
Texas Water Resources Institute, College Station, TX. TWRI Report TR-191.Neitsch,
S. L., Arnold, J. R., Williams, J. R. and King, K. W. (2005). Soil and water Assessment
Tool, Theoretical Documentation, Version 2000, Grassland, Soil, and Water Research
Laboratory, Agricultural Research Service: USDA Temple Texas. Published by Texas Water
Resources Institute, College Station, TX. TWRI Report TR-191.