(3SdSdI OQGSGJ hGHMGK JQHhjI (B: (3hGbY GdGOGQI GdeOQSjI ddeOGQS GdGSGSjI GdecJedI aj GdLeghQjI GdjefjIs - (3GdbjSj , eGgQ aGVd(B, s; (3GdbjSj , eGgQ aGVds ((3eQcR GdHMhK hGdJWhjQ GdJQHhj s, 2000)
1