(3GdMQcI GdacQjI GdYQHjI aj GUagGf aj GdbQhf GdSJI GdGhdi ef JGQjN GdGSdGe (B/ s - (3GdZQjQj, UHQj GMeO dGaj, s ((3HZOGO, GdYQGb (B: s (3hRGQI GdGhbGa hGdTDhf GdOjfjI, (B410 (3g`(B. = 1990.s, 1990)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B559-572.s
Keywords: (3GUagGf (B((3GjQGf(B)s -- (3MjGI acQjIs -- 599-637.; (3GdKbGaI GdYQHjIs -- (3GjQGfs -- (3GUagGf(B.s