@book{1867,
	author = {Organizacion Mundial de la Salud},
	title = {Environmental Health Criteria 221: Zinc},
	publisher = {Organizacion Mundial de la Salud},
	year = {2001},
	address = {Ginebra},
	edition = {1º ed.},
	note = {Baja Depósito Junio 2019- Caja 31}
}