Volume 6, Issue 2, December 1981, Pages 70-79
E. El-Konyaly; A. I. El-Desouky
Volume 6, Issue 1, June 1981, Pages 1-20
E. El-Konyaly; A. Montesser; I. El-Dokany; H. Sorror
Volume 4, Issue 2, December 1979, Pages 51-60
E. H. El-Konyaly; Youssif A. Abed; Mahmoud Saber Ahmed Kandil