Volume 3, ASAT Conference 4-6 April 1989 , CAIRO, April 1989, Pages 105-114
T. I. SABRY; N. I. I. HEWEDY; M. H. EMBABY; A. A. ELBATAWY
Volume 1, A.S.A.T. CONFERENCE 14-16 May 1985 r CAIRO, May 1985, Pages 303-312
B. A. KHALIFA; K. IBRAHIM; M. H. EMBABY