@book{80415,
	author = {Barnes, R.S.K. and Hughes, R.N.,  coaut.},
	title = {An Introduction to marine ecology /},
	publisher = {Blackwell Science,},
	year = {1999},
	address = {Malden, Mass., U.S.A. :},
	edition = {3},
	note = {1 ejemplar.}
}