Volume 28, OCTOBER- DECEMBER, October 2007, Pages 183-191
Ragab M.M.; A.S. Antar; N.I. Talha; M. I. El-Shahawy
Volume 28, OCTOBER- DECEMBER, October 2007, Pages 192-198
Saied M.M;; Ragab M.M.; Omar E.H.; Abd Elaziz M.A.