@book{45577,
	author = {UACH. Departamento de Sociología Rural},
	title = {Informe de labores, 19-},
	publisher = {Departamento de Sociología Rural,},
	year = {1987},
	address = {Chapingo, Méx. :},
	note = {La biblioteca tien: 1979-80, 1980-81, 1987}
}