Valdez, Marta, Miguel Muñoz, José Rafael Vega, and Ana M Espinoza. 1996. “Plant Regeneration of Indica Rice <i>(Oryza sativa)</i> Cultivars Fmm Mature embryo=derived Calli”. Revista De Biología Tropical 44 (3A):13–21. https://revistas.ucr.ac.cr/index.php/rbt/article/view/21827.