TRICART, J. Biological And Water Resources: Management Problems. Bollettino della Società Geografica Italiana, [S. l.], p. 427–436, 2002. DOI: 10.36253/bsgi-6898. Disponível em: https://www.bsgi.it/index.php/bsgi/article/view/6898. Acesso em: 17 oct. 2026.