Volume 14, Issue 2, August 2006, Pages 80-91
P. Ramak; R. khavari-Nejad; H. Hidari Sharifabad; M. Rafiee; K. Khademi
Volume 12, Issue 3, September 2005, Pages 317-326
P. Ramak; R. Khavari-Nejad; H. Heidary Sharifabad; M. Rafiei