@book{91190,
	author = {Medrano Argote, Gonzalo.},
	title = {Evolución financiera del cultivo de trigo (Triticum aestivum L.) para el ciclo 0-1, 2003/2004 en León, Gto. /},
	publisher = {El autor,},
	year = {2005.},
	address = {Chapingo, Méx. :},
	url = {http://10.13.5.2/tesis/102725.pdf}
}