@book{1939,
	author = {Organizacion Mundial de la Salud},
	title = {Environmental Health Criteria 164: Methylene Chloride },
	publisher = {Organizacion Mundial de la Salud},
	year = {1996},
	address = {Ginebra},
	edition = {2º ed.},
	note = {Baja depósito Caja 32 Junio 2019}
}