SINGH, R. V.; CHANDEL, P. C. Sustained Resin Yield from <I>Pinus roxburghii</I> (chir) Forests of Himachal Pradesh. Indian Forester, [S. l.], v. 97, n. 9, p. 526–536, 1971. DOI: 10.36808/if/1971/v97i9/26454. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/26454. Acesso em: 4 dec. 2025.