Muter, M. A., and F. S. Matty. “Ebonite Linings Based on Natural and Synthetic Rubber”. Ibn AL-Haitham Journal For Pure and Applied Sciences 18, no. 3 (June 17, 2019): 89–99. Accessed May 1, 2025. https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/2226.