Haan, C. T. Hydrologyc modeling of small watersheds - St. Joseph, Michigan : American Society of Agricultural Engineers, 1982 - 533 p. : gráfs. ; mapas LCCN: 64215 Subjects--Topical Terms: Cuencas.Hidrología--Modelos matemáticos. Dewey Class. No.: 551.490184 / H3