Volume 16, Issue 2, December 1993, Pages 141-150
Hassan H. Farag; Abdel-Alim M. Abdel-Alim; Mahmoud M. El-Gendy; Nawal A. El-Koussi
Volume 1, Issue 1, 1978, Pages 115-131
Nawal A. El-Rabbat; Mahmoud A. El-Gendy; Kamla M. Emara