WASET
    Ioan Rusu,  Researches Concerning Photons as Corpuscles with Mass and Negative Electrostatic Charge.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2015, vol. 101(5). 641 - 644
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/10001894.