Volume 29, Issue 4, December 2005, Pages 1-10
Ramsis Farag
Volume 29, Issue 1, March 2004, Pages 1-14
Ramsis Farag; Faiez Arid; Nadia Bondok
Volume 26, Issue 3, September 2001, Pages 33-45
Ramsis Farag; Sayed Ibrahim; Al-Hossain Abd-El-Wahab