Volume 23, Issue 2-A, December 2012, Pages 151-162
FAHIM NASSAR; H. S. NASSAR; F. ABDEL HAI; G. I. AHMED
Volume 21, Issue 2-A, December 2010, Pages 295-308
MAHMOUD HASSAN MOUSTAFA
Volume 21, Issue 2-A, December 2010, Pages 309-324
M. A. WASSEL; R. A. SABER