Volume 5, Issue 2, October 2007, Pages 140-152
Y.R. Azab
Volume 5, Issue 2, October 2007, Pages 200-216
F. A. El-Shaboury; Ola. A. Basha
Volume 5, Issue 1, April 2007, Pages 54-65
A.M.S. Meshref; M.H.A. Tolba