Volume 39, Issue 2, December 2011, Pages 107-122
Metwaly A. Baraka; Waleed I. Shaban; Nemat M. Awad; Ahmed H. Zian
Volume 39, Issue 1, 2011, Pages 61-77
Naziha M. Hassanein; Mostafa H. El-Kattan; Usama A.A. El-Behairy; Dina A. Shafik