Volume 27, Issue 3, July 2010, Pages 962-980
M.A.M. Ahmed; M.A. Awad; M.T. Afify; H.E. Osman
Volume 27, Issue 2, April 2010, Pages 718-736
M.A.M. Ahmed; M.Y. El.Ansary; M.A. Awad; M.T. Afify