Böcker, J., Amann, N., &; Schulz, B. (2004). Active Suppression of Torsional Oscillations. IFAC Proceedings Volumes, 37(14), 319–324.https://doi.org/10.1016/s1474-6670(17)31123-0 
LibreCat: /record/29920
DOI: 10.1016/s1474-6670(17)31123-0

Amann, N., Böcker, J., &; Prenner, F. (2004). Active Damping of Drive Train Oscillations for an Electrically Driven Vehicle. IEEE/ASME Transactions on Mechatronics, 9(4), 697–700.https://doi.org/10.1109/tmech.2004.839036 
LibreCat: /record/29924
DOI: 10.1109/tmech.2004.839036

Böcker, J. (2004). Tolerance band controller for a three-level four-quadrant converter including DC link balancing. 2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.041). PESC, Aachen.https://doi.org/10.1109/pesc.2004.1354749 
LibreCat: /record/29922
DOI: 10.1109/pesc.2004.1354749

Njiende, H. D., Fröhleke, N., &; Böcker, J. (2004). Derivation of integrated magnetic components using reluctance and mathematical modeling. 2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.041).https://doi.org/10.1109/pesc.2004.1354859 
LibreCat: /record/30437
DOI: 10.1109/pesc.2004.1354859

Kauczor, C., &; Fröhleke, N. (2004). Inverter topologies for ultrasonic piezoelectric transducers with high mechanical Q-factor. 2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.041).https://doi.org/10.1109/pesc.2004.1355265 
LibreCat: /record/30439
DOI: 10.1109/pesc.2004.1355265

Wetzel, H., Siegel, A., Njiende, H., Fröhleke, N., &; Böcker, J. (2004). Low Voltage Asymmetrical Half-Bridge Converter with Integrated Magnetics. 11th International Power Electronics and Motion Control Conferences, Riga, Latvia. 11th International Power Electronics and Motion Control Conferences, Riga, Latvia.
LibreCat: /record/30432

Schulz, B., Pottharst, A., Fröhleke, N., &; Böcker, J. (2004). Modelling of Influences to a Linear-Drive-System. 11th International Power Electronics and Motion Control Conferences, Riga, Latvia. 11th International Power Electronics and Motion Control Conferences, Riga, Latvia.
LibreCat: /record/30433

Pottharst, A., Baptist, K., Schütze, O., Böcker, J., Fröhleke, N., &; Dellnitz, M. (2004). Operating Point Assignment of a Linear Motor Driven Vehicle Using Multiobjective Optimization Methods. 11th International Power Electronics and Motion Control Conferences, Riga, Latvia. 11th International Power Electronics and Motion Control Conferences, Riga, Latvia.
LibreCat: /record/30434

Li, R., Pottharst, A., Fröhleke, N., &; Böcker, J. (2004). Energy Storage Scheme for Rail-guided Shuttle using Ultracapacitor and Battery. 11th International Power Electronics and Motion Control Conferences, Riga, Latvia. 11th International Power Electronics and Motion Control Conferences, Riga, Latvia.
LibreCat: /record/30435

Li, R., Pottharst, A., Fröhleke, N., &; Böcker, J. (2004). Analysis and Design of Improved Isolated Full-Bridge Bi-Directional DC-DC Converter. PESC 2004, Aachen, Germany. PESC 2004, Aachen, Germany.
LibreCat: /record/30438

Pottharst, A., Schulz, B., &; Böcker, J. (2004). Kommunikationssystem einer Anlage mit doppelt gespeistem Linearmotor. SPS/IPC/DRIVES 2004, Nürnberg, Deutschland. SPS/IPC/DRIVES 2004, Nürnberg, Deutschland.
LibreCat: /record/30440

Kauczor, C., Schulte, T., &; Grotstollen, H. (2004). Piezoelectric Transformer of Travelling Wave Type. ACTUATOR 2004, Bremen, Germany. ACTUATOR 2004, Bremen, Germany.
LibreCat: /record/30436

Peckhaus, V. (2004). Frege, Friedrich Ludwig Gottlob. In D. Hoffmann, H. Laitko, &; S. Müller-Wille (Eds.), Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 2: F–Mei (pp. 47–48). Spektrum Akademischer Verlag.
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Peckhaus, V. (2004). Gödel, Kurt Friedrich. In D. Hoffmann, H. Laitko, &; S. Müller-Wille (Eds.), Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 2: F–Mei (pp. 107–108). Spektrum Akademischer Verlag.
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Peckhaus, V. (2004). Peirce, Charles Sanders. In D. Hoffmann, H. Laitko, &; S. Müller-Wille (Eds.), Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z (pp. 137–138). Spektrum Akademischer Verlag.
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Peckhaus, V. (2004). Zermelo, Ernst Friedrich Ferdinand. In D. Hoffmann, H. Laitko, &; S. Müller-Wille (Eds.), Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z (pp. 492–493). Spektrum Akademischer Verlag.
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Peckhaus, V. (2004). van der Waerden, Bartel Leendert. In D. Hoffmann, H. Laitko, &; S. Müller-Wille (Eds.), Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z (pp. 387–388). Spektrum Akademischer Verlag.
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Peckhaus, V. (2004). Whitehead, Alfred North. In D. Hoffmann, H. Laitko, &; S. Müller-Wille (Eds.), Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z (p. 449). Spektrum Akademischer Verlag.
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Peckhaus, V. (2004). Tarski, Alfred. In D. Hoffmann, H. Laitko, &; S. Müller-Wille (Eds.), Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z (p. 348). Spektrum Akademischer Verlag.
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Peckhaus, V. (2004). Rudolf Boehm, Topik. Dordrecht, Boston and London: Kluwer, 2002 (Phaenomenologica vol. 162). In History and Philosophy of Logic (Vol. 25, Issue (2003), pp. 155–156).
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