Volume 26, Issue 3, July 2009, Pages 1466-1477
A.S. El-Ashry; H.A. El-Gendy; M.H. Abo El-Naga
Volume 26, Issue 3, July 2009, Pages 1478-1500
I. A. Abdelmotaleb,; H.A. El-Gendy; M.A. Hassan