Volume 15, Issue 1, March 2007, Pages 123-130
A Abou El-Yazied; M M Solaiman; A M El-Gizawy; H.G M Abd El-Gawad
Volume 13, Issue 2, September 2005, Pages 501-511
A A A-Alttif; A M El-Gizawy; A A Abd-Elhafez; M R Omarah