(3TQM fNHI GdacQ(B: s (3ddMGaX GHf MLQ GdYSbdGfj (B/s - (3Bd MejO, SYO Hf YHO Gddg,s 1367 (3g`(B-s; (3GHf MLQ GdYSbdGfj, CMeO Hf Ydj Hf eMeO,s 773-852 (3g`(B.s; (3Bd eHGQc,CHh YHjOI eGgQ Hf UGdMs ((3GdQjGV (B:s (3OGQ Ydhe GdSfI,s, 1999)
Keywords: (3GdMOjKs -- (3eUWdMs