Volume 16, Issue 2, December 1991, Pages 59-70
S. Ibrahim; M. El-Messiery; Hemdan Abou-Taleb; M. Salama; N. H. Mostafa
Volume 15, Issue 2, December 1990, Pages 111-124
M. Salama; M. El-Missery; S. Ibrahim; H. Behes
Volume 13, Issue 2, December 1988, Pages 23-35
M. Salama; S. Ibrahim; R. Farag
Volume 11, Issue 2, December 1986, Pages 1-10
R. El-Bealy; M. Salama; S. Ibrahim
Volume 11, Issue 2, December 1986, Pages 11-20
M. Salama; R. El-Bealy; S. Ibrahim