(3jhe GdaQbGf (B/ s - (3GdNhdj, GdHgj, s 1901-1977 ((3JhfS (B: s (3OGQ HhSdGeI (B982s, 1982)
Keywords: (3eMeO (B((3Udi Gddg Ydjg hBdg hSde(B)(3, s -- (3fHj GdGSdGe, s -- 53 (3bHd GdgLQI(B-11 (3gLQjs -- (3ZRhI jhe GdaQbGf (B[(3ZRhI HOQ(B]s