Hariharan, K., B. L. M. Desai, S. Venkat Rao, D. Rajalakshmi, and M. Swaminathan. “The Chemical Composition and Nutritive Value of the Proteins of Hybrid Maize”. The Indian Journal of Nutrition and Dietetics, vol. 2, no. 3, July 1965, pp. 125-7, https://informaticsjournals.com/index.php/ijnd/article/view/14410.