@book{70895,
	author = {Ballesteros Porta, Juan.},
	title = {Análisis económico de los ejidos de Huexotla y San Martín Netzahualcoyotl, Méx. Chapingo, Méx.},
	publisher = {El autor,},
	year = {1959},
	address = {Chapingo, Méx. :}
}