Volume 18, Issue 1, March 2008, Pages 151-158
A. E. Ahmed; H. Y. Abdel-Hamid; A. A. Abdel-Rahim; M. N. Ismail
Volume 18, Issue 1, March 2008, Pages 176-186
H.F. Ellakany; I.M. Abu El-Azm; A.A. Bekhit; M.M. Shehawy