@book{16400,
	author = {Guzmán Flores, Guillermo R.},
	title = {Estudio agroeconómico y social del ejido "Las Enramadas" municipio de Sabinas Hidalgo, N.L.},
	publisher = {El autor,},
	year = {1973},
	address = {Monterrey, N.L., :}
}