(3TJGA GdZVH aj GdNdjL (B/ s - (3WHQGfj, cGHj, s ((3HjQhJ (B[(3dHfGf(B] : s (3OGQ GdLjd ; s (3GdeZQH (B: s (3OGQ GdGaGb GdLOjOI, (B412 (3g`(B. = 1991.s, 1991)
(3jJVef EQLGYGJ HHdjhLQGajI (B: (3UaMI (B271-272.s
Keywords: (3MQH GdNdjL, (B1991s; (3GdchjJs -- (3JGQjNs -- (3GdGMJdGd GdYQGbj, (B1990-1991.s; (3GdYQGbs -- (3JGQjNs -- (3GdCReI GdYQGbjI GdchjJjI, (B1990-1991.s