SINGH, Puran. A Preliminary Note on the Manufacture of Wood-Tar. Indian Forester, [S. l.], v. 44, n. 4, p. 141–165, 1918. DOI: 10.36808/if/1918/v44i4/27143. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/27143. Acesso em: 31 oct. 2025.