Herran, A., S. Espinel, and P. G. Goikoetxea. “Use of Chloroplast DNA Polymorphisms to Define Maternal Provenance Regions for the White Oaks of the Iberian Peninsula”. Forest Systems 8, no. 1 (June 1, 1999): 139-150. Accessed August 3, 2026. https://fs.revistas.csic.es/index.php/fs/article/view/609.