R. Alía, R. Galera, D. Agúndez, J. de Miguel, E. Notivol, and S. Martín, “Genetic variation and use of provenances of Pinus sylvestris in Spain: application of Allué’s. Phytoclimatic models”, For. syst., vol. 8, no. 3, pp. 207-224, Dec. 1999.