@book{87850,
	author = {Aguilar Ramirez, Marisol. and Medina Lara, Ma. Guadalupe.},
	title = {Resistencia genética de calabazas (Cucurbita argyrosperma var. argyrosperma y C. argyrosperma var. stenosperma Huber), a Damping-Off},
	publisher = {El autor,},
	year = {2003},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/99367.pdf}
}