1 Mestre, E.; Leon, L. F.; Martinez-Austria, P. 1994. Integral approach to water quality conservation in basins. International Journal of Water Resources Development, 10(3):277-289.
(Location: IWMI-HQ Call no: PER Record No: H015471)
2 Leon, L. F.; Booty, W. G.; Bowen, G. S.; Lam, D. C. L. 2004. Validation of an agricultural non-point source model in a watershed in southern Ontario. Agricultural Water Management, 65(1):59-75.