(3GdCPcGQ GdefJNHI ef cdGe SjO GdCHQGQ (B/s - (3Gdfhhj, jMji Hf TQa Hf eQj,s 631-676 (3g`s; (3GHf YdGf, eMeO Ydj Hf eMeO YdGf,s 996-1057 (3g`s ((3HjQhJ (B:s (3OGQ hecJHI Gdbde,s, 1985)
Keywords: (3GdMOjKs -- (3LhGeY Gdafhfs; (3GdMOjKs -- (3TQMs; (3GdCOYjI hGdChQGOs