(3KhQI JdYaQ (B1920 (3hGdMQcGJ GdhWfjI GdGNQi aj efWbI GdLRjQI (B/ s - (3GdJdYaQj, bMWGf GMeO YHhT, s ((3HZOGO (B[(3GdYQGb(B] : s (3eWHYI GdGRgQ, (B388 (3g`(B. = 1969.s, 1969)
(3jJVef cTGaGJ(B.s
(3jJVef EQLGYGJ HHdjhLQGajI (B: (3UaMI (B480-489.s
Keywords: (3JdYaQ (B((3GdehUd, GdYQGb(B)s -- (3JGQjN(B.s; (3GdYQGbs -- (3JGQjNs -- (3KhQI (B1920.s