Volume 34, Issue 2, June 2009, Pages 1-12
Kamal Radwan; Ibrahim Metwalli; Ahmed Al-Sarawy
Volume 32, Issue 1, March 2007, Pages 1-20
M. F. El-Sherbiny; M. A. Hanna; Ahmed Ahmed Abd El-Fattah Al-Sarawy; M. A. Farid