F. Farnood Ahmadi, M.J. Valadan Zoej, H. Ebadi and M. Mokhtarzade
Journal of Applied Sciences 8 ( 17 ): 2975 - 2982 , 2008
A. Mohammadzadeh, M.J. Valadan Zoej and A. Tavakoli
Journal of Applied Sciences 8 ( 19 ): 3431 - 3438 , 2008