Volume 55, Issue 122, July 2009, Pages 1-10
M.M. ABD-EL-LATIF; A.H. MOUSTAFA; M.K. REZIK; M.A.S. MOUSTAFA
Volume 53, Issue 114, July 2007, Pages 1-12
A.H. MOUSTAFA; M. EL-SAYED HATAB; M.M. ABD-EL-LATIF