Volume 51, Issue 106, July 2005, Pages 180-197
A.A. ABD-EL-RAHMAN; NEVEEN A. HAMED; FATMA A. MOUSTAFA
Volume 42.1, Issue 83, October 1999, Pages 200-215
A. Sadiek; Sohair Z. Hussein
Volume 38.2, Issue 76, January 1998, Pages 16-28
M.M. Ahmed; S.A. Sotohy