by Neumann, D.W, Zagona, E.A, Rajagopalan, B
Published in Journal of the American Water Resources Association (01.10.2006)

by Carron, John C, Zagona, Edith A, Fulp, Terrance J
Published in Journal of irrigation and drainage engineering (01.04.2006)

by SHANE, R.M, ZAGONA, E.A, MC INTOSH, D, FULP, T.J, GORANFLO, H.M
Published in Civil engineering (New York, N.Y. 1983) (1996)