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 3, ASAT Conference 4-6 April 1989 , CAIRO, April 1989, Pages 331-344
K. A. IBRAHIM; N. I. HEWEDY; N. H. MAHMOUD; H. SHAFIEK