Volume 5, Issue 2, December 1996, Pages 1-3
Mohamed Hassan; Abdel -Alim Abdel-Alim
Volume 4, Issue 1, June 1995, Pages 1-6
Abdel -Alim Abdel-Alim; Hosny Abdel Fadil; Ahmed A. Said; Magdy Amer; Khalifa El-Dawy