THAPLIYAL, K. C.; SINGH, Vijay. Studies with the Kupfer Crane. Indian Forester, [S. l.], v. 95, n. 12, p. 863–868, 1969. DOI: 10.36808/if/1969/v95i12/26202. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/26202. Acesso em: 17 feb. 2026.