Singh, Sarabjit, O.P. Thakur, and Chandra Prakash. “Synthesis, Structural and Electrical Properties of Lanthanum-Modified Lead-Zirconate-Titanate System”. Defence Science Journal 55, no. 3 (July 1, 2005): 349-355. Accessed October 2, 2022. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1998.