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Marktforschung
Lötters, Christine, (2000)
International journal of market research : JMRS ; the journal of the Market Research Society
Using market knowledge
Deshpandé, Rohit, (2001)
Mehrpersonen-Preisdifferenzierung : Ansätze zur optimalen Preisgestaltung für Gruppen
Wilger, Gerd, (2004)
What contribution can trade policy make towards combating climate change ?
Kraemer, Andreas, (2007)
Tradeable permits in water resource protection and management
Krämer, Andreas, (2002)