(3GdJaSjQ GdcHjQ (B/s - (3GHf JjejI, CMeO Hf YHO GdMdje Hf YHO GdSdGe,s 661-728 (3g`(B.s; (3YejQI, YHO GdQMefs ((3HjQhJ (B- (3dHfGf (B:s (3OGQ GdcJH GdYdejI,s, 1988)
Keywords: (3GdbQBfs -- (3JaGSjQ SfjIs