@book{59854,
	author = {Vásquez Romero, Rodrigo and Ballesteros Chavarro, Hugo},
	title = {Manual de lombricultura  :},
	publisher = {Produmedios,},
	year = {2008},
	series = {Manejo empresarial del campo},
	address = {Bogotá, Colombia :},
	edition = {Primera edición}
}