WASET
    A.G.E. Sutjipto and  Jufriadi and  R. Muhida and  Afzeri and  E.Y. Adesta,  Modeling Electric Field Distribution on Insulator under Electron Bombardment in Vacuum.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2009, vol. 29(5). 228 - 231
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/13131.