(3GKQ bhGfjf GdGfJOGH GdHQjWGfj aj GbGeI GdhWf Gdbhej GdjghOj aj adSWjf (B/ s - (3GdLGOQ, YGOd MGeO, s ((3HZOGO (B[(3GdYQGb(B] : s (3eQcR GdOQGSGJ GdadSWjfjI (B976.s, 1976)
(3jJVef EQLGYGJ HHdjhLQGajI (B: (3UaMI (B548-558.s
Keywords: (3adSWjf, s -- (3JGQjN, (B1929-1948.s; (3adSWjfs -- (3JGQjNs -- (3GdGMJdGd GdGSQGFjdj, (B1948-s; (3GdfRGY GdYQHj GdGSQGFjdj(B.s