by El-Hammamy, MN, El-Nohy, NA, Farid, M El-Azab, Diab, S, El-Sayed, Moamen M.
Published in Chinese journal of physics (Taipei) (01.10.2021)

by El Nohy, N. A., El-Hammamy, M. N., Yoseph, S. I., Abdel-Moneim, A. M.
Published in Indian journal of physics (01.04.2015)