Volume 19, Issue 4, December 1994, Pages 10-16
Ahmed A. Ashry; Salah El-Din Behiry; Mousa S. El-Bisy
Volume 19, Issue 3, September 1994, Pages 1-7
Ahmed Fadel Ahmed Ashry; Salah El-Deen Helmy El-Behiry; Mousa S. El-Bisy
Volume 18, Issue 3, September 1993, Pages 1-8
Ahmed Fadel Ahmed Ashry; Adel Mahamed El-Hadidy; A. El-Morsy
Volume 18, Issue 2, June 1993, Pages 34-48
Ahmed Fadel Ahmed Ashry
Volume 18, Issue 2, June 1993, Pages 1-9
Adel Mohamed Ali El-Hadidy; Ahmed Fadel Ashry
Volume 13, Issue 2, December 1988, Pages 92-101
Ahmed Fadel Ahmed Ashry