@book{98419,
	author = {Ocampo Ledesma, Jorge Gustavo.},
	title = {Los modelos tecnológicos},
	publisher = {UACH. CIESTAAM. Programa de Investigaciones Históricas,},
	year = {2007},
	series = {Ciencia, tecnología, sociedad},
	address = {[Chapingo, Méx.] :}
}