http://www.gfk.com/group/press_information/press_releases/rss_feed_purchasing_power/rss.de.xml 2008-10-07T10:37:00Z http://www.gfk.com/group/press_information/press_releases/002717/index.de.html http://www.gfk.com/group/press_information/press_releases/002717/index.de.html 2008-07-02T08:00:00Z