@book{89305,
	author = {Ortiz Mejiaz, Jorge Alberto.},
	title = {Comportamiento reproductivo de la lombriz de tierra (Eisenia fetida) en diferentes sustratos /},
	publisher = {El autor,},
	year = {2004.},
	address = {Bermejillo, Dgo. :},
	url = {http://10.13.5.2/tesis/100833.pdf}
}