GEVORKIANTZ, S. R.; ROE, E. I. Photoperiodism in Forestry. Indian Forester, [S. l.], v. 62, n. 6, p. 393–396, 1936. DOI: 10.36808/if/1936/v62i6/20993. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20993. Acesso em: 25 dec. 2025.