“CAD OF A THREE ELELCTRODE ELECTROSTATIC IMERRSION LENSES USING THE SPLINE MODEL”, ANJS, vol. 13, no. 4, pp. 82–87, Jul. 2018, Accessed: Dec. 23, 2024. [Online]. Available: https://mail.anjs.edu.iq/index.php/anjs/article/view/978