(3GdJMcje aj efGRYGJ GdNWI GdGbJUGOjI JfajP GdNWI GdGbJUGOjI GdYGeI (B: s (3OQGSI ebGQfI (B/ s - (3SdjeGf, TYjH GMeO, s ((3HZOGO (B[(3GdYQGb(B] : s (3hRGQI GdKbGaI hGdGYdGe, OGQ GdQTjO ddfTQ (B981.s, 1981)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B463-488.s
Keywords: (3GdJMcje(B.s; (3GdJMcjes -- (3bhGfjf hJTQjYGJs -- (3GdYQGb(B.s