Volume 50, Issue 101, April 2004, Pages 159-270
G.A. Megahed; Asmaa A.A. Hussein; Sohair Z. Hussein; M.W. Abd Al-Azeem
Volume 49, Issue 99, October 2003, Pages 36-53
A.N. Sayed; G.A. Megahed; S.G. Abdou
Volume 46.2, Issue 92, January 2002, Pages 262-284
G.A. Megahed; A-H.M. Etman; M.A. Awad-Allah
Volume 45.2, Issue 90, July 2001, Pages 375-393
G.A. Megahed; M.M. Anwar; Madeha M.
Volume 44.1, Issue 87, October 2000, Pages 255-263
G.A. Megahed; Bahy El-Gamal; G. Abdel-All; A.L.E. Mahmoud
Volume 40.2, Issue 80, January 1999, Pages 1-16
A.E. Zayed; G.A. Megahed
Volume 40.1, Issue 79, October 1998, Pages 1-22
G.A. Megahed; A. El-Din Zain; S.S. El-Ballal