@book{12742,
	author = {DEL VALLE DUQUE, LIMBER.},
	title = {PROGRAMACION, APLICACION Y CONTROL DE MANTTO. [SIC.] PREVENTIVO/ },
	publisher = {EL AUTOR},
	year = {2011},
	address = {DATOS ELECTRONICOS. -- [TUXTLA GUTIERREZ, CHIAPAS]: }
}