@book{71243,
	author = {Davidson, Verne E. and E.U.A. Soil Conservation Service.},
	title = {Control de las malezas acuáticas en granjas y ranchos},
	publisher = {Centro Regional de Ayuda Técnica,},
	year = {1964},
	series = {USDA. Boletín de Agricultura},
	address = {México, D.F. :}
}