Volume 26, Issue 1, March 2001, Pages 1-14
A. Fattah
Volume 25, Issue 3, September 2000, Pages 14-27
A. A. Fattah; E. Mokhtar
Volume 24, Issue 4, December 1999, Pages 14-26
A. A. Fattah; T. M. Salama
Volume 21, Issue 4, December 1996, Pages 59-73
A. Fattah