@book{56406,
	author = {Zepeda del Valle, Juan Manuel.},
	title = {Estudio de posibilidades del centro de recría "Guillermo Aguilera Cabrera".},
	publisher = {UACH. Centro Regional Universitario Centro-Norte,},
	year = {1991.},
	address = {Zacatecas, Zac. :}
}