FRIOLO, R. The Projects For An Interoceanic Canal In Central America. A Contribution To The History Of An International Competition. Bollettino della Società Geografica Italiana, [S. l.], p. 829–850, 2003. DOI: 10.36253/bsgi-6960. Disponível em: https://bsgi.it/index.php/bsgi/article/view/6960. Acesso em: 14 oct. 2026.