(3MhGOK GdeQhQ bHd hHYO UOhQ bGfhf GdeQhQ Qbe (B67 (3dSfI (B1976 /s - (3GdchjJ(B.s (3hRGQI GdOGNdjI(B.s (3GdEOGQI GdYGeI ddeQhQ(B.s (3EOGQI GdJNWjW hGdeJGHYI(B.s ([(3GdchjJ (B:s (3eLdS GdhRQGA, GdCeGfI GdYGeI, EOGQI GdHMhK GdGLJeGYjI(B](3,s, 1982)
Keywords: (3MhOGK GdeQhQs -- (3GdchjJs; (3MhOGK GdeQhQs -- (3bhGfjf hJTQjYGJs -- (3GdchjJs