M.S. Pakbaz, A. Dardaei and J. Salahshoor
Journal of Applied Sciences 9 ( 4 ): 724 - 730 , 2009
M.S. Pakbaz, R. Mehdizadeh, M. Vafaeian and K. Bagherinia
Journal of Applied Sciences 9 ( 11 ): 2001 - 2015 , 2009