@book{6028,
	author = {Mason, C. F. and Fernández Alvarez, M. A.},
	title = {Biología de la contaminación del agua dulce / },
	publisher = {Alhambra, },
	year = {1984.},
	series = {Exedra ; },
	address = {Madrid : },
	edition = {1a ed.},
	note = {Apendice.}
}