Zhang, Wenjie, Xin Sun, and Bo Yang. “Sol-Gel Preparation of La Doped Strontium Titanate”. Asian Journal of Chemistry 25, no. 6 (January 9, 2013): 3263–3266. Accessed July 21, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_6_71.