ES, E. Van. A Reconnaissance Survey of the Fforest Vegetation in the Doon Valley with the Aid of Aerial Photographs. Indian Forester, [S. l.], v. 98, n. 8, p. 503–506, 1972. DOI: 10.36808/if/1972/v98i8/26631. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/26631. Acesso em: 21 aug. 2025.