Ide, Peter, Frank Schafmeister, Norbert Fröhleke, and Horst Grotstollen. “Enhanced Control Scheme for Three-Phase, Three-Level Rectifiers at Partial Load.” IEEE Transactions on Industrial Electronics 52, no. 3 (2005): 719–26.
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Li, R., A. Pottharst, N. Fröhleke, Joachim Böcker, K. Witting, M. Dellnitz, O. Znamenshchykov, and R. Feldmann. “Design and Implementation of a Hybrid Energy Supply System for Railway Vehicles.”https://doi.org/10.1109/apec.2005.1452979__In Twentieth Annual IEEE Applied Power Electronics Conference and Exposition, 2005. APEC 2005. IEEE, 2005.https://doi.org/10.1109/apec.2005.1452979 .
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DOI: 10.1109/apec.2005.1452979

Grotstollen, H. “Design of Long-Stator Linear Motor Drives for RailCab Test Track.” Journal of Power Electronics (JPE) 5 (2005): 166–72.
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Henke, C., H. Vöcking, Joachim Böcker, N. Fröhleke, and A. Trächtler. “Convoy Operation of Linear Motor Driven Railway Vehicles, Kobe - Awaji, Japan.” In LDIA 2005, The Fifth International Symposium on Linear Drives for Industry Applications, 2005.
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Grotstollen, H., Joachim Böcker, and N. Fröhleke. “Simulation of Power Electronic Circuits.” In ICSC 2005, Peking, China. ICSC 2005, Peking, China, 2005.
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Li, R., N. Fröhleke, Joachim Böcker, and P. Ide. “ZVZCS Isolated Converter for Renewable Energy System with Extra Wide Voltage Range.” In International PCIM Conference 2005, Nürnberg, Deutschland, 2005.
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Pottharst, A. , and H. Grotstollen. “Distributed Control Structure of the NBP Test Track with Linear Motor Driven Vehicles.” In International Embedded Systems Symposium, Manaus, Brasil, 2005.
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Peckhaus, Volker. “Impliziert Widerspruchsfreiheit Existenz? Oskar Beckers Kritik am formalistischen Existenzbegriff.” In Oskar Becker und die Philosophie der Mathematik, edited by Volker Peckhaus, 77–99. Neuzeit und Gegenwart. München: Wilhelm Fink Verlag, 2005.
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Peckhaus, Volker. “Becker und Zermelo.” In Oskar Becker und die Philosophie der Mathematik, edited by Volker Peckhaus, 279–97. Neuzeit und Gegenwart. München: Wilhelm Fink Verlag, 2005.
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Peckhaus, Volker. “th Century Logic: Between Philosophy and Mathematics (Wiederabdruck).” In Mathematics and the Historian’s Craft. The Kenneth O. May Lectures, edited by Glen van Brummelen and Michael Kinyon, 203–20. New York: Springer, 2005.
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