@book{31350,
	author = {Valtueña, José A.},
	title = {Enciclopedia de la ecología y la salud /},
	publisher = {Editorial Safeliz },
	year = {2002.},
	series = {Biblioteca educacion y salud},
	address = {Madrid },
	edition = {1a ed.},
	note = {Incluye indice}
}