Pages 4-15
Gholam Abbas Parsafar; Y. Ghayeb
Pages 16-16
M.M Akbarnejad; M. Oskooie; M. Gharanfoli
Pages 24-34
M.R. Hadjmohammadi; A. Samadi Meibodi
Pages 35-39
A. Boushehri; S.H. Moosavipour
Pages 40-45
Mojtaba Shamsipur; M.K. Amini
Pages 51-58
H.C. Malhotra; A. Aminifar
Pages 59-65
A.A. Moosavi Movahedi; M.R. Housaindokht
Pages 66-78
J.R. Williamson; Shadpour Mallakpour