Castoldi, Elena, and Jose A. Molina. “Effect of Seed Mass and Number of Cotyledons on Seed Germination After Heat Treatment in Pinus Sylvestris L. Var. Iberica Svob.”. Forest Systems 23, no. 3 (December 1, 2014): 483-489. Accessed April 29, 2024. https://fs.revistas.csic.es/index.php/fs/article/view/5480.