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    Abouzied, R.M. (2)
    Ahmed, M.F.M. (2)
    Allah, A.M.N. (2)
    Diab, A. (2)
    Hebicha, H. (2)
    Hussein, S.M. (2)
    Kenawy, D. (2)
    Macfadyen, G. (2)
    Naggar, G.El. (2)