(3JGQjN GdGSdGe GdSjGSj hGdOjfj hGdKbGaj hGdGLJeGYj(B/s - (3MSf, GHQGgje MSfs ((3GdbGgQI(B((3eUQ(B):s (3ecJHI GdfgVI GdeUQjI,s, 1959)
(3GdLRA GdGhd(B: (3GdOhdI GdYdQHjI aj GdTQb heUQ hGdeZQH hGdfOdS(B(1-132(3g`(B=622-749(3e(B)s
(3eUGOQ GdcJGH ef UaLI(B551-581s
Keywords: (3GdGSdGe(B-s -- (3JGQjN(B.s