$1!R;K7o'CI-;T'BT':`'Ok'Z7'`P!X4 (B(1950-1972)s - $1!0G!`2!3K!JH!Na'Q['YFs ($1!0G!`2!3K!JH!Nas, 1983)
Keywords: $1'BT':`!6<!KH(B; $1'BT':`!8<'NYs