@book{33464,
	author = {Pérez Vallmitjana, Marta and Romero Martinengo, Javier},
	title = {Prácticas de ecología oceánica},
	publisher = {Ed. Univ. de Barcelona},
	year = {2001},
	series = {Textos docents},
	address = {Barcelona},
	edition = {1. ed.}
}