Volume 54, Issue 118, July 2008, Pages 1-15
M.A. ABDEL-RAHMAN; MADEHA DARWISH; S.A. KOTB
Volume 52, Issue 109, April 2006, Pages 1-13
M.A. ABDEL-RAHMAN; MADEHA H.A. DAR WISII
Volume 41.1, Issue 81, April 1999, Pages 127-140
H. Samaha; I.S. Meneeh; U.E. Mahrous