Volume 50, Issue 102, July 2004, Pages 128-135
M.H. Abdel Baky; D.M. Al-Mujalli
Volume 46.1, Issue 91, October 2001, Pages 200-205
M.H. Abdel Bakey; D.M. Al-Mujalli
Volume 46.1, Issue 91, October 2001, Pages 206-209
M.H. Abdel Bakey; A.M. Abbas; D.M. Al-Mujalli