(3GdTjYI hGgd GdHjJ (B/ s - (3XgjQ, GMSGf Gdgj, s ((3dGghQ, HGcSJGf (B: s (3GOGQI JQLeGf GdSfI, s, 1979)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B307-312.s
Keywords: (3YbGFO GdTjYIs -- (3OaY eWGYf(B.s; (3GdTjYIs -- (3JGQjNs -- (3GdbQf (B20.s; (3GdTjYIs -- (3ebGdGJ(B.s; (3GdYdeGA GdeSdehf GdTjYIs -- (3JQGLe(B.s