Volume 47.1, Issue 93, April 2002, Pages 185-198
A. Ali; A. Kh. Abdel-Razek; S. Abdel-Ghaffar
Volume 45.1, Issue 89, April 2001, Pages 303-316
A. El-Din Zain; A. Kh. Abdel-Razek; M.M. Anwar
Volume 45.1, Issue 89, April 2001, Pages 317-325
A. Ali; A. Kh. Abdel-Razek