$1!1I!SH(BEOS-1V$1'B5!=Y!@a!4cs - GUNTER RICHTER ($1!04K7os $1!Fd'V<!O(':`!@,EWF!3K!JH!Nas, 2005)
Keywords: $1'B5!=Y!@,EWF!+5!Bg!G*(B--$1!=U!TO'B5!=Ys