Balasubramanian, V., S. Muthukumaran, A. Ravi, N. Karthikeyan, and I. Rosekumari. 2016. “Synthesis of Metallo Flavones and Ultrasonic Studies on Chrysin and Morin”. Asian Journal of Chemistry 17 (3):1984-88. https://asianpubs.org/index.php/ajchem/article/view/14066.