@book{98293,
	author = {González Vargas, Benjamín. and Jacinto Sánchez, Raúl.},
	title = {Evaluación de productos orgánicos en jitomate (Lycopersicum esculentum Mill) en Chapingo, México},
	publisher = {El autor,},
	year = {2009},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/109951.pdf}
}