Ernest Dichter and motivation researchErnest Dichter, Rainer Gries, Stefan Schwarzkopf · First published 2010Open the Tome
Ernest Dichter and Motivation ResearchStefan Schwarzkopf, Rainer Gries · First published 2010Open the Tome
Die Ostdeutschen in den MedienThomas Ahbe, Rainer Gries, Wolfgang Schmale · First published 2009Open the Tome
Ernest Dichter, Doyen der VerführerRainer Gries, Stefan Schwarzkopf, Stefanie Lahm · First published 2007Open the Tome
