Volume 2, Issue 1, 2001, Pages 1-7
Mohamed M. El-Fouly; Fouad E. Abdalla; Abo EI-Khair B. El-Sayed
Volume 2, Issue 1, 2001, Pages 9-16
Abo EI-Khair B. El-Sayed; Fouad E. Abdalla; Abdel-Wahab A. Abdel-Maguid