Volume 28, Issue 3, July 2011, Pages 719-733
E. A. Abdel Ghaffar; A. Z. Shokr; M. A. Rashwan; E. S. Shaaban
Volume 28, Issue 1, January 2011, Pages 181-200
A. Z. Shokr; E. A. Abdel Ghaffar; M. A Rashwan; S. S. Shaaban