Volume 26, Issue 2, December 2003, Pages 179-186
Sayed H. Khidr
Volume 22, Issue 1, June 1999, Pages 27-34
Sayed H. Khidr
Volume 21, Issue 2, December 1998, Pages 171-183
Sayed H. Khidr; Esmail M. Niazy; Yousry M. El-Sayed
Volume 17, Issue 1, July 1994, Pages 81-86
Sayed H. Khidr