@book{126,
	author = {Fondo para la Normalización y Certificación de la Calidad},
	title = {Concreto endurecido :},
	publisher = {FONDONORMA},
	year = {2005},
	address = {Caracas :},
	edition = {1ra rev.},
	note = {Gaceta Oficial N° --- de fecha ---},
	url = {https://sigbs.sencamer.gob.ve/cgi-bin/koha/opac-retrieve-file.pl?id=92043e14d874ac6aa9acdbf6481f7036}
}