SPONGBERG, A. L.; WITTER, J. D. A review of PCB concentrations in tropical media, 1996-2007. Revista de Biología Tropical, [S. l.], v. 56, n. S4, p. 1–9, 2008. DOI: 10.15517/rbt.v56i4.27161. Disponível em: https://revistas.ucr.ac.cr/index.php/rbt/article/view/27161. Acesso em: 6 may. 2024.