@book{95880,
	author = {Morales Castillo, Francisco and Rodríguez Salazar, Pedro Antonio.},
	title = {Estudio de la fauna asociada a diferentes sistemas de labranza en el bajío Guanajuatense},
	publisher = {El autor,},
	year = {2008},
	address = {Chapingo, Méx. :}
}