Volume 3, ASAT Conference 4-6 April 1989 , CAIRO, April 1989, Pages 1017-1029
Salah Ramadan; R. Mostafa; Gamal Sarhan
Volume 3, ASAT Conference 4-6 April 1989 , CAIRO, April 1989, Pages 1031-1046
Salah Gh. Ramadan; R. Mostafa; Gamal Sarhan