K. A. Jasim, M. A. Thejeel, and R. S. Al-Khafaji, “The Effect of Doping by Sr on the Structural, Mechanical and Electrical Characterization of La1Ba1-xSrx Ca2Cu4O8.5+δ”, IHJPAS, vol. 27, no. 1, pp. 170–175, Apr. 2017, Accessed: Dec. 03, 2024. [Online]. Available: https://jih.uobaghdad.edu.iq/index.php/j/article/view/375