$1'=*';y!4x!:M'=K!@3'B+!9%!AAKNgs - $1!S;'2>!EKs ($1!G(!4c!0d!FM!3K!JH!Nas, 1995)
Keywords: $1!Bs!Ci'Bf!0s!5=(B--$1'?n'=es