Volume 18, Issue 4, December 1993, Pages 18-30
Fayez Wanis Zaki Soliman
Volume 17, Issue 1, March 1992, Pages 128-140
Fayez Wanis Zaki Soliman; Senot D. Shenodah; R. M. El-Awady
Volume 7, Issue 1, June 1982, Pages 21-28
Fayez Wanis Zaki Soliman; Rasheed M. El-Awady