M. Pérez-Bernal, M. D. Rigo, C. A. H. Díaz, M. T. B. Ávila, and R. A. Ramos, “Callus induction and plant regeneration of two Cuban rice cultivars using different seed explants and amino acid supplements”, Ann. Trop. Res, vol. 31, no. 2, pp. 1–15, Nov. 2009.