ASMASTON, F. C. An Expedition into Sikkim. Indian Forester, [S. l.], v. 61, n. 8, p. 487–499, 1935. DOI: 10.36808/if/1935/v61i8/20856. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/20856. Acesso em: 5 dec. 2025.