• Luxury Marketing & Management: Tools and strategies to manage luxury products in a profitable and sustainable fashion.: Langer, D.A. & Heil, O.P., Mainz 2013: Amazon Kindle Edition.
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  • The Hidden Value Proposition of Luxury-Brand Related Status Signals - Evidence from a Comprehensive Field Study Among German Car Dealers: Müller, M & Heil, O.: Working Paper, Mainz 2012.