$1!;E':`'BT':`'2>!<x'[A';D(B10$1!3S'^!(B. $1!0T!<e'Q#s - $1!4I!0a!C7!;e':`!DC!;E':`!\k'2>!<x'[A';D!4W'^!'Q[';7'Q+s ($1!04K7o!5w!<c!3K!JH!Nas, 1993)
Keywords: $1!;E':`'BT':`'Qm'Y$s