Volume 18, Issue 2, December 1995, Pages 87-93
Mohamed S. Kamel; Abdel-Nasser A. El-Shorbagi; Esko Karvinen; Ari Koskinen
Volume 17, Issue 1, July 1994, Pages 27-39
Hoda Y. Hassan; Abdel-Nasser A. El-Shorbagi; Nawal A. El-Koussi; Ahmed O. Abdel-Zaher