Volume 54, Issue 119, October 2008, Pages 1-14
F.R. EL-SEEDY; I.A. RADWAN; MERVAT M. ABDALLA; NAGLA F.O. TOLBA
Volume 51, Issue 106, July 2005, Pages 1-14
F.R. EL-SEEDY; S.A. SELIM; I.A. RADWAN; HALA S. HASSAN