1. ANSWERS: a model for watershed planning;Beasley;Trans. of the ASAE,1980
2. A hierarchical view of the interactions of runoff and infiltration with vegetation and micotopography in semiarid shrublands;Bergkamp;Catena,1998
3. ANSWERS 2000: runoff and sediment transport model;Bouraoui;J. Environ. Eng.,1996
4. Bouraoui, F., 1994. Development of a continuous, physically-based distributed parameter, nonpoint source model, PhD Thesis, Virginia Polytechnic Institute and State University, Blacksburg, VA.
5. ANSWERS: a non-point source pollution model for water, sediment and nutrient losses;Bouraoui,2000