Tadesse, W., F. J. Auñón, J. A. Pardos, L. Gil, and R. Alía. “Early Testing of Resin Yield in Pinus Pinaster Ait.”. Forest Systems 10, no. 1 (June 3, 2001): 141-150. Accessed April 29, 2024. https://fs.revistas.csic.es/index.php/fs/article/view/717.