(3GjgG GdhdO eMeO GdZRGdj (B450 (3g`(B- -505 (3g` (B/ s - (3eWdhH , GMeO s ((3GdYQGb(B: s (3eWHYI hRGQI GdGhbGa ddTDhf GdOjfjI , s, 1986)
Keywords: (3GdadSaI GdESdGejIs