(3GdESdGe Ojf GdMb (B/s - (3Bd YeQ, YHO GdQMef Hf MeGOs 1354 (3gLQj(B-s; (3GdSYhOjI s (3GdQFGSI GdYGeI dEOGQGJ GdHMhK GdYdejI hGdEaJGA hGdOYhI hGdEQTGO(B.s (3bSe GdJQLeIs ((3GdSYhOjI (B:s (3GdQFGSI GdYGeI ddEaJGA hGdHMhK GdYdejI hGdOYhI hGdEQTGO ,s, 1981)
(3GdfU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3GdESdGes -- (3eJaQbGJs -- (3GddZI GdEfLdjRjIs