@book{89172,
	author = {Calvo Maldonado, José Noe.},
	title = {Manejo integral de apiarios, en el municipio de la Trinitaria, Chiapas /},
	publisher = {El autor,},
	year = {2004.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/100700.pdf}
}