@book{4060,
	author = {Arregoces, Oscar and Vasquez, Julio C},
	title = {Manejo de la Fertilización Fosfatada de Pastos Tropicales en Suelos Acidos de América Latina /},
	publisher = {CIAT,},
	year = {1986.},
	series = {04SP-02.05},
	address = {Cali :}
}