Alía, R., Galera, R., Agúndez, D., de Miguel, J., Notivol, E. and Martín, S. (1999) “Genetic variation and use of provenances of Pinus sylvestris in Spain: application of Allué’s. Phytoclimatic models”, Forest Systems, 8(3), pp. 207-224. doi: 10.5424/638.