Abrams, R., and J. Vélez Fortuño. “Radiation Research With Pigeonpeas (Cajanus cajan): Results on X1 and X2 Generations”. The Journal of Agriculture of the University of Puerto Rico 45, no. 4 (October 1, 1961): 197–204. Accessed December 22, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/13758.