@book{10106,
	author = {ARGUETA HERNANDEZ, CESAR DAVID.},
	title = {MANUAL DE MANTENIMIENTO PREVENTIVO A UNIDADES DE RESPALDO DE ENERGIA (UPS) MAYOR A 50 KVA/ },
	publisher = {EL AUTOR},
	year = {2001},
	address = {TUXTLA GUTIERREZ, CHIAPAS: }
}