GAGLIARDO, P. Pilgrims On Earth. For The Values Of Life On The Planet, Amongst Fear Of Collapse The Search For Sustainability. Bollettino della Società Geografica Italiana, [S. l.], p. 831–839, 2000. DOI: 10.36253/bsgi-6849. Disponível em: https://bsgi.it/index.php/bsgi/article/view/6849. Acesso em: 15 oct. 2026.