Coopman, R. E., J. C. Jara, L. A. Bravo, K. L. Sáez, G. R. Mella, and R. Escobar. “Changes in Morpho-Physiological Attributes of Eucalyptus Globulus Plants in Response to Different Drought Hardening Treatments”. Electronic Journal of Biotechnology, vol. 11, no. 2, Apr. 2008, pp. 0-0, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v11n2-9.