SHARMA, V. D.; SHARMA, Sunayan. The Vanishing Siberian Crane. Indian Forester, [S. l.], v. 117, n. 10, p. 850–855, 1991. DOI: 10.36808/if/1991/v117i10/8724. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/8724. Acesso em: 21 aug. 2025.