http://de.biz.yahoo.com/boersenlexikon/
http:// www.wirtschaftslexikon24.net/
http://www.specialinvestor.com/terms/ 2472.html
http://www.wins.co.uk/german/cityspeak/index.html
http://bloomberg.com/markets/rates/germany.html
http://deutsche-boerse.com/dbag/dispatch/de