Krishna Mallia, A., C. Subbarayan, and H. R. Cama. “Carotenoids in <i>Lycopersicum esculetum</I> (Tomatoes)”. The Indian Journal of Nutrition and Dietetics, vol. 4, no. 4, Oct. 1967, pp. 277-80, https://www.informaticsjournals.com/index.php/ijnd/article/view/14274.