Zavattieri, M. A., A. M. Frederico, M. Lima, R. Sabino, and B. Arnholdt-Schmitt. “Induction of Somatic Embryogenesis As an Example of Stress-Related Plant Reactions”. Electronic Journal of Biotechnology, vol. 13, no. 1, Jan. 2010, pp. 0-0, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v13n1-4.