(3GdMjGRI OGNd hNGQL OGFQI GdJLQje ai Xd GdbGfhf Qbe (B29(3dSfI (B1982/s - (3eUWai eLOi gQLgs ((3GdbGgQI (B:s (3OGQ GdKbGaI ddWHGYI hGdfTQ (B,s, 1983)
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf LfGFi s; (3GdMeGjI GdLfGFjI ddMjGRIs