@book{91704,
	author = {Aragon Lopez, Rolando.},
	title = {Caracterización de materiales experimentales de calabaza (cucurbita spp) y verificación de su resistencia al damping off /},
	publisher = {El autor,},
	year = {2005.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/103241.pdf}
}