Volume 4, ASAT CONFLENCE 14-16 May 1991 , CAIRO, May 1991, Pages 191-198
K. M. Saad Eldin; Ibrahim Saleh; Ali Elzahabi; Salah Elfeki
Volume 1, A.S.A.T. CONFERENCE 14-16 May 1985 r CAIRO, May 1985, Pages 341-346
Ali Barakat; Ibrahim Saleh