KARNIK, M. G. Varieties of Paper. Indian Forester, [S. l.], v. 82, n. 4, p. 203–205, 1956. DOI: 10.36808/if/1956/v82i4/24061. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/24061. Acesso em: 21 aug. 2025.