Pages 1-6
S. Abbasbandy; E. Shivanian
Pages 7-20
Mohammad Hossein Yaghmaee Moghaddam; Hamid Reza Hassanzadeh
Pages 21-25
Ali A. Abbasi; M.T. Ahmadian
Pages 27-39
Hua Hou; Gen- xuan
Pages 41-46
Ali Abouei Mehrizi; Siamak Najarian; Majid Moini; Pedram Pahlavan; Javad Dargahi
Pages 47-55
M. Amiri-Aref; N. Javadian; R. Tavakkoli-Moghaddam; M. B. Aryanezhad
Pages 57-65
M. Khakbaz Baboli; M. J. Kermani
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