(3caGAI eNQLGJ GdfXGe GdJYdjej GdYGe aj OhdI GdGeGQGJ GdYQHjI GdeJMOI (B: (3OQGSI ejOGfjI s - (3GdNjGd , ehRI eMeO(B, s; (3GdNjGd , ehRI eMeOs ((3hRGQI GdJQHjI hGdJYdje hGdTHGH (B- (3GdHQGeL hGdefGgL GdJYdjejI (B- (3GOGQI GdeYdheGJ hGdGMUGA hGdHMhK GdeDSSjIs, 1999)
2