$1'D&'0X'2]!1|'T2!8}!2m'KG!0s!>4s - $1!Ct'QN!C!s ($1!04K7os $1!Na'CZ!O(':`!3K!JH!Nas, 2001)
Keywords: $1!2t!O,!6<':`(B--$1!2d'2>(B; $1!2d':`s