LEITCH, Jay A.; CLIFFORD, William B.; RICHARDSON, Jim L.; SATHER, J. Henry. Wetland Policy Issues. Council for Agricultural Science and Technology (CAST), Ames, U.S.A., 1994. DOI: 10.62300/372m8261. Disponível em: https://publications.cast-science.org/CAST/article/view/225. Acesso em: 2 jul. 2026.