Volume 53, Issue 112, January 2007, Pages 1-17
H.A. ABDEL-RAHEEM; NABILA A. GAZIA; A.M. ABD-ELLAH; GHADA Sh. ABDEL-RAHEEM
Volume 51, Issue 105, April 2005, Pages 1-15
H.A. ABDEL-RAHEEM; A.N. SAYED; NABILA A. GAZIA; S.M.A. EL MASWARY