@book{91173,
	author = {Guerrero Villanueva, Catalina.},
	title = {Organogénesis in vitro en Mammillaria herrerae Wedermann /},
	publisher = {El autor,},
	year = {2005.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/102708.pdf}
}