@book{23761,
	author = {Saldías Barreneche, Carlos Alberto and Ospina Ospina, Héctor Fabio},
	title = {Fertilización de Los Cafetales /},
	publisher = {Cenicafé,},
	year = {1994.},
	series = {Cartilla Cafetera No.7},
	address = {Bogotá :}
}