(3GdQO GdhGaQ (B/s - (3GHf fGUQ GdOjf, eMeO Hf YHO Gddg Hf eMeO,s 777-842 (3g`(B.s; (3GdTGhjT, RgjQ,s 1344 (3g`(B-s ((3HjQhJ (B:s (3GdecJH GdESdGej,s, 1991)
Keywords: (3GHf JjejI, CMeO Hf YHO GdMdje Hf YHO GdSdGe,s -- 661-728 (3g`(B.s; (3GdabgGA GdMfGHdIs -- (3JQGLes