Volume 5, ASAT CONFERENCE 4 - 6 May 1993, CAIRO, May 1993, Pages 53-60
A. A. EL AZIZ; M. H. KATARY; I. MANSOUR
Volume 1, A.S.A.T. CONFERENCE 14-16 May 1985 r CAIRO, May 1985, Pages 255-265
E. TALAAT; M. A. KATARY