Institution: | 1. Center for Production Economics and Decision Support, FernUniversit?t in Hagen, Universit?tsstr. 41, 58084, Hagen, Germany 2. Chair of Production Management and Logistics, University of Dortmund, Martin-Schmei?er-Weg 12, 44227, Dortmund, Germany 3. Chair of Operations Management, RWTH Aachen University, Kackertstr. 7, 52072, Aachen, Germany
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