Volume 57, Issue 129, April 2011, Pages 1-17
KH.A.S. EL-KHABAZ; M.F. HUSSIEN; EMAN M. ABD-EL NASER; HANAA A. AHMED
Volume 56, Issue 127, October 2010, Pages 1-17
EMAN M. ABDEL-NASER; M.F. HUSSIEN; KH.A.S. EL-KHABAZ