(3agGQS GdHjGf hGdJMUjd hGdTQM hGdJhLjg hGdJYdjd aj GdeSGFd GdeSJNQLI (B/s - (3GHf QTO, eMeO Hf CMeO Hf QTO (B((3GdLO(B)(3,s 450-520 (3g`(B.s; (3GdYJHj, eMeO Hf CMeO Hf YHO GdYRjR,s (3Jhaj (B255 (3gLQjG(B.s ((3HjQhJ (B:s (3OGQ GdZQH GdESdGej,s, 1991)
Keywords: (3Gdabg GdeGdcjs