@book{94331,
	author = {Vega Hernández, Nora Yessica.},
	title = {Empleo de cubiertas comestibles en nopalito desespinado (Opuntia sp.) de la variedad Milpa Alta},
	publisher = {El autor,},
	year = {2007},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/105922.pdf}
}