CHANDRA, J. P.; CHAUHAN, P. S. Note on Germination of Spruce Seeds with Gibberellic Acid. Indian Forester, [S. l.], v. 102, n. 10, p. 721–725, 1976. DOI: 10.36808/if/1976/v102i10/11956. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/11956. Acesso em: 4 dec. 2025.