Volume 9, 2(spiring), June 2010, Pages 50-53
Kamran Mottaghi; Farhad Safari; Alireza Salimi; Reza Ebrahim pour
Volume 5, 1(winter), January 2006, Pages 45-49
Hossein Ali Sharifian; Mohammad Reza Fathololoomi; Ali Fattahi Bafghi; Seyed Abbas Safavi Naini