@book{94235,
	author = {Velasco Garcia, Gregorio},
	title = {Sistemas alternativos en producción de tomate de cáscara (Physalis ixocarpa Brot.) :},
	publisher = {El autor,},
	year = {2007.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/105819.pdf}
}