Volume 55, Issue 122, July 2009, Pages 1-12
A.M.S. MESHREF; G.M. HASSAN
Volume 54, Issue 119, October 2008, Pages 1-13
MERVAT M. ABDALLA; ISIS G. ANTOWN
Volume 54, Issue 119, October 2008, Pages 1-12
AMANY M. SHALABY; MARCEL F. GALAB