Abrams, R., R. Grindeland, and K. J. Frey. “Inheritance of an Induced Chlorophyll Mutant in Oats (Avena Sativa)”. The Journal of Agriculture of the University of Puerto Rico 48, no. 3 (July 1, 1964): 243–246. Accessed March 29, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/12991.