Volume 27, Issue 1, January 2013, Pages 44-53
E. A.M. Osman; M.H. Abd El-Aal; G. F. EL-Shiekh
Volume 26, Issue 2, July 2012, Pages 112-129
M.H. Abd El-Aal; A.E.A. Shiref; H.A. Awadalla