@book{2650,
	author = {Berlijn, Johan D.},
	title = {Cultivos básicos /},
	publisher = {Trillas,},
	year = {1990.},
	series = {Manuales para Educación Agropecuaria. Area: Producción Vegetal},
	address = {México :},
	edition = {2a. ed.}
}