@book{1725,
	author = {Cardenas, Juan. and Franco, Octavio.},
	title = {Malezas de clima frío /},
	publisher = {Instituto Colombiano Agropecuario,},
	year = {1970.},
	address = {Colombia :},
	edition = {1ª ed.},
	note = {Incluye glosario y bibliografía utilizada.}
}