@book{201289,
	author = {Villarreal Q., José A and Universidad Autónoma Agraria Antonio Narro. Saltillo, Coah.},
	title = {Malezas de Buenavista, Coahuila  /},
	publisher = { Universidad Autónoma Agraría Antonio Narro},
	address = {Buenavista, Coah.  :}
}