@book{107629,
	author = {Samah, Samir},
	title = {New approaches for Opuntia sp. characterization and taxonomy:},
	publisher = {El autor,},
	year = {2014.},
	address = {Chapingo, Méx. :},
	note = {Para ver el contenido del material haga clic en la liga},
	url = {http://10.13.5.2/tesis/sist111167.pdf}
}