{Project} Dynamik des Kaufverhaltens im Bio-Sortiment. [Dynamics of purchasing behaviour concerning organic food.] Runs 2007 - 2009. Project Leader(s): Hamm, Prof. Dr. Ulrich and Buder, Dipl.Soz. Fabian, University of Kassel, Faculty of Organic Agricultural Sciences. More information online at <http://www.uni-kassel.de/agrar/alm/?c=96&language=en>.