Volume 13, Issue 1, June 1988, Pages 27-47
H. El-Tamaly; M. El-Maghraby
Volume 12, Issue 1, June 1987, Pages 13-24
H. H. El-Tamaly; M. H. El-Maghraby
Volume 6, Issue 2, December 1981, Pages 1-14
M. H. El-Maghraby; F. A. El-Geldawi; H. H. El-Tamaly