Volume 31, Issue 2, April 2014, Pages 425-438
M.A. El- Attar; M.A. Khodeir; A.A. Soliman; H. El-Khateeb
Volume 28, Issue 3, July 2011, Pages 589-611
R. Abou-Shieshaa; R. Kholief; H. El-Khateeb