SPONGBERG, A. L. PCB concentrations in intertidal sipunculan (Phylum Sipuncula) marine worms from the Pacific coast of Costa Rica. Revista de Biología Tropical, [S. l.], v. 54, n. S1, p. 27–33, 2006. DOI: 10.15517/rbt.v54i1.26836. Disponível em: https://revistas.ucr.ac.cr/index.php/rbt/article/view/26836. Acesso em: 2 may. 2024.