Ertragslage der Business Areas - Konzernlagebericht - ThyssenKrupp Online-Geschäftsbericht 2011/2012

https://web.archive.org/web/20140116182846/http://www.thyssenkrupp.com/financial-reports/11_12/de/report/results_business_areas.html

ThyssenKrupp Online-Geschäftsbericht 2011/2012