Volume 54, Issue 119, October 2008, Pages 1-10
H.I.R. EL-BANNA; E.A. MASOUD; M.K. RIZK
Volume 52, Issue 110, July 2006, Pages 243-257
M.A. SHAHATA; T.Y. ABD EL- MOTELIB; HEBAT-ALLAH A. MOHAMED
Volume 52, Issue 109, April 2006, Pages 294-304
SH. ABDEEN; O.O. LOTFY