1998
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Reader "Modell und Verfahren des Operations Research" anl. der Emeritierung von Prof. Dr. W. Krabs
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2004
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International Journal for Discrete Applied Mathematics, Volume 136, Issue 2-3 anl. 1st Cologne-Twente Workshop 2001 (Cologne) on Graphs and Combinatorial Optimization zus. mit Faigle, U., Broersma, H., Hurink, J.
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2006
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International Journal for Discrete Applied Mathematics, Volume 154, Issue 9 anl. 2nd Cologne-Twente Workshop 2003 (Twente) on Graphs and Combinatorial Optimization zus. mit Faigle, U., Hurink, J.
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2006
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International Journal for Discrete Optimization anl. 3rd Cologne-Twente Workshop 2004 (Lago di Como) on Graphs and Combinatorial Optimization zus. mit Faigle, U., Liberti, L., Maffioli, F.
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2007
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International Journal for Discrete Applied Mathematics, Volume 155, Issue 14 anl. 3rd Cologne-Twente Workshop 2004 (Lago di Como) on Graphs and Combinatorial Optimization zus. mit Faigle, U., Liberti, L., Maffioli, F.
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2007
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Central European Journal of Operations Research, Volume 15, Issue 3 anl. EURO XXI Conference 2006 (Iceland) “Operations Research for a Better Management of Sustainable Development” zus. mit Weber, G.-W., Zachariasen, M.
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