(3Odjd HMhK JYdje GddZI GdYQHjI h GdOjf GdESdGej aj GdhWf GdYQHj (B1900 - 1980 / s ((3JhfS (B:s (3GdefXeI GdYQHjI ddJQHjI h GdKbGaI h GdYdhe (B- (3EOGQI GdJQHjI,s, 1983)
Keywords: (3GddZI GdYQHjIs; (3GdJOQjSs; (3GdCOdIs; (3GdESdGes