Yin, Qiyi, Ming Ding, Yingying Zhou, Changan Tian, Hongdian Lu, and Difang Zhao. 2012. “Structure and Ferroelectric Properties of (Bi0.5Na0.5)0.9Ba0.07Sr0.03TiO3 Ceramics by Mn Doping”. Asian Journal of Chemistry 24 (9):4076-78. https://asianpubs.org/index.php/ajchem/article/view/9549.