BUTTERWICK, A. J. S. Timber of Petthan (<I>Heterophragma Adeno-Phyllum</I>, Seem). Indian Forester, [S. l.], v. 44, n. 1, p. 17–19, 1917. DOI: 10.36808/if/1918/v44i1/27114. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/27114. Acesso em: 4 dec. 2025.