MARTINS, M; FERREIRA, AM; VALES, C. PCB composition in flood material and sediments from the Guadiana River estuary. Ciencias Marinas, [S. l.], v. 31, n. 1B, p. 285–291, 2005. DOI: 10.7773/cm.v31i12.87. Disponível em: https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/87. Acesso em: 3 may. 2024.