RIBBENTROP, Birth. Report on the Box- Wood Supply in the Punjab. Indian Forester, [S. l.], v. 11, n. 1, p. 26–28, DOI: 10.36808/if/1885/v11i1/13749. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/13749. Acesso em: 5 dec. 2025.