1.
S. A. Hujazie N. Investigation of the Focal and Zoom Properties for Three-Element Cylindrical Electrostatic Lens. RSCI [Internet]. 2010 Sep. 1 [cited 2025 Sep. 28];21(6):40-51. Available from: https://jamh.uomosul.edu.iq/index.php/rsci/article/view/47711