Volume 54, Issue 119, October 2008, Pages 1-10
S.F. ABBAS; M. ABD ALLAH
Volume 51, Issue 105, April 2005, Pages 1-10
U.S. MAHROUS; I.S. MENEEH; MADEHA DARWISH
Volume 40.2, Issue 80, January 1999, Pages 292-309
K.E. El-Ekhnawy; A.M. Otteifa; Omaima H. Ezzo; M.A. Hegazy