Volume 45.2, Issue 90, July 2001, Pages 134-145
M.S. Yousef; R.M. Farghaly
Volume 44.2, Issue 88, January 2001, Pages 92-108
R.M. Farghaly; Y.A. Gherbawy
Volume 38.2, Issue 76, January 1998, Pages 111-120
R.M. Farghaly