@book{75231,
	author = {Instituto Colombiano de Normas Técnicas y Certificación (ICONTEC)},
	title = {Servicios de buceo recreativo :},
	publisher = {ICONTEC,},
	year = {2012.},
	series = {Norma técnica colombiana},
	address = {Bogotá :},
	note = {Incluye índice}
}