@book{2510,
	author = {PULIDO HUERTA, CONCEPCION. and INSTITUTO TECNOLOGICO DE TUXTLA GUTIERREZ.},
	title = {CARACTERISTICAS Y OPERACION DEL RELEVADOR  MICROPROCESADO SEL-121 F/ },
	publisher = {EL AUTOR},
	year = {1991},
	address = {CELAYA, GTO.: }
}