Books By Martin Günther, Ulrich W. Vossebein, Raimund Wildner - Author

Martin Günther is head of the analytical tools of the consumer panels at GfK

Prof. Dr. Ulrich Vossebein teaches marketing at the Technical University of Central Hesse (Germany).

Prof. Dr. Raimund Wildner is vice president of the Nuremberg Institute for Market Decisions and honorary professor at the University of Erlangen-Nuremberg (Germany).