Volume 3, Issue 1, June 2001, Pages 119-126
K Mahmoud; G El-Sayed; E El-Sherbini
Volume 3, Issue 1, June 2001, Pages 127-143
T Mohamed; G El-Sayed
Volume 3, Issue 1, June 2001, Pages 145-162
M Soliman; G El-Sayed
Volume 1, Issue 1, June 1999, Pages 175-191
A El-Shaieb; S Abu El-Wafa; G El-Sayed