Volume 31, Issue 1, June 2008, Pages 93-108
Aref A. M. Aly; Ahmed H. Osman; Mohamed Abd El-Mottaleb; Gamal A. H. Gouda
Volume 29, Issue 1, 2006, Pages 134-149
Aref A. M. Aly; Ahmed H. Osman; Mohamed Abd El-Mottaleb; Gamal A.H. Gouda