Volume 28, Issue 1, June 2008, Pages 107-120
Fathy El Fasakhany; Ghada Abd El-Aleem; Usama Abd. Elaziz; Ayman Elsaied; Saad Abou-ElNoeman
Volume 27, Issue 2, December 2007, Pages 115-134
Heba Taha; El-Sharkawi F; Samy Abd El-Azim