UNIYAL, V. P. Butterflies of Nanda Devi National Park - a World Heritage Site. Indian Forester, [S. l.], v. 130, n. 7, p. 800–804, 2004. DOI: 10.36808/if/2004/v130i7/2077. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/2077. Acesso em: 4 dec. 2025.