Volume 1, A.S.A.T. CONFERENCE 14-16 May 1985 r CAIRO, May 1985, Pages 649-664
M. GABRA; M. ABD-EL SALAM
Volume 1, A.S.A.T. CONFERENCE 14-16 May 1985 r CAIRO, May 1985, Pages 685-696
M. ABD-EL SALAM; M. GABRA