(3GdeYLe GdLZQGaj ddHdGO GdYQHjI GdSYhOjI (B: s (3TeGd GdeedcI (B/ s - (3GdLGSQ, MeOs ((3GdQjGV (B:s (3OGQ GdjeGeI ddHMK h GdJQLeI h GdfTQ,s, 1977)
Keywords: (3GdSYhOjIs; (3GdLZQGajGs; (3GdbhGejSs