@book{23759,
	author = {Rivera Posada, Horacio and Saldías Barreneche, Carlos Alberto},
	title = {Manejo de las Malezas en los Cafetales /},
	publisher = {Cenicafé,},
	year = {1994.},
	series = {Cartilla Cafetera No.9},
	address = {Bogotá :}
}