Pages 1-15
H. Amini Najafian; R.L Vollum
Pages 16-23
N. Fanaie; S. Kazerani; S. Soroushnia
Pages 24-33
Majid Ehteshami; Ali Sharifi
Pages 34-45
Mahmood Yahyai; Bahram Rezayibana
Pages 46-54
G.A. Dzhinchvelashvili; O.V. Mkrtychev
Pages 55-66
Hadi Meidani
Pages 67-75
S.A. Sadrnejad; M. Memarianfard