@article {27,
	title = {Elemental composition of Demospongiae from the eastern Atlantic coastal waters},
	journal = {Chemical Speciation and Bioavailability},
	volume = {11},
	year = {1999},
	pages = {25-36},
	doi = {10.3184/095422999782775735},
	author = {Ara{\'u}jo, M.F. and Cruz, A. and Humanes, M. and Lopes, M.T. and Silva, J.A.L. and Silva, J.J.R.F.}
}
