Alcon, Francisco, M. Angeles Fernández-Zamudio, Erasmo I. López-Becerra, and M. Dolores de-Miguel. “Survival Analysis of Orange Tree Varieties in Spain”. Spanish Journal of Agricultural Research 17, no. 1 (April 15, 2019): e0103. Accessed May 1, 2024. https://sjar.revistas.csic.es/index.php/sjar/article/view/14067.