(3eYLe GdGaYGd GdeJbOeI HMQa (B/ s - (3GdGMeOj,ehSi Hf eMeO Hf GdedjGfjs ((3HjQhJ(B[(3dHfGf(B]:s (3OGQ GdYde ddedGjjf,s, 1979)
Keywords: (3GddZI GdYQHjIs -- (3eYGLes