J. Gamisans, M. Gruber, and P. Regato, “Les foréts de Pinus nigra subsp. salzmannii des Pyrénées aragonaises”, Lazaroa, vol. 12, p. 147, Jan. 1991, Accessed: Dec. 22, 2024. Available: https://revistas.ucm.es/index.php/LAZA/article/view/LAZA9191110147A