J. Böcker, N. Amann, and B. Schulz, “Active Suppression of Torsional Oscillations,”10.1016/s1474-6670(17)31123-0__IFAC Proceedings Volumes, vol. 37, no. 14, pp. 319–324, 2004, doi:10.1016/s1474-6670(17)31123-0 .
LibreCat: /record/29920
DOI: 10.1016/s1474-6670(17)31123-0

N. Amann, J. Böcker, and F. Prenner, “Active Damping of Drive Train Oscillations for an Electrically Driven Vehicle,”10.1109/tmech.2004.839036__IEEE/ASME Transactions on Mechatronics, vol. 9, no. 4, pp. 697–700, 2004, doi:10.1109/tmech.2004.839036 .
LibreCat: /record/29924
DOI: 10.1109/tmech.2004.839036

J. Böcker, “Tolerance band controller for a three-level four-quadrant converter including DC link balancing,”10.1109/pesc.2004.1354749__presented at the PESC, Aachen, 2004, doi:10.1109/pesc.2004.1354749 .
LibreCat: /record/29922
DOI: 10.1109/pesc.2004.1354749

H. D. Njiende, N. Fröhleke, and J. Böcker, “Derivation of integrated magnetic components using reluctance and mathematical modeling,”10.1109/pesc.2004.1354859__2004, doi:10.1109/pesc.2004.1354859 .
LibreCat: /record/30437
DOI: 10.1109/pesc.2004.1354859

C. Kauczor and N. Fröhleke, “Inverter topologies for ultrasonic piezoelectric transducers with high mechanical Q-factor,”10.1109/pesc.2004.1355265__2004, doi:10.1109/pesc.2004.1355265 .
LibreCat: /record/30439
DOI: 10.1109/pesc.2004.1355265

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

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

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

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

R. Li, A. Pottharst, N. Fröhleke, and J. Böcker, “Analysis and Design of Improved Isolated Full-Bridge Bi-Directional DC-DC Converter,” presented at the PESC 2004, Aachen, Germany, 2004.
LibreCat: /record/30438

A. Pottharst, B. Schulz, and J. Böcker, “Kommunikationssystem einer Anlage mit doppelt gespeistem Linearmotor,” presented at the SPS/IPC/DRIVES 2004, Nürnberg, Deutschland, 2004.
LibreCat: /record/30440

C. Kauczor, T. Schulte, and H. Grotstollen, “Piezoelectric Transformer of Travelling Wave Type,” presented at the ACTUATOR 2004, Bremen, Germany, 2004.
LibreCat: /record/30436

V. Peckhaus, “Frege, Friedrich Ludwig Gottlob,” in Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 2: F–Mei, D. Hoffmann, H. Laitko, and S. Müller-Wille, Eds. Heidelberg: Spektrum Akademischer Verlag, 2004, pp. 47–48.
LibreCat: /record/17678

V. Peckhaus, “Gödel, Kurt Friedrich,” in Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 2: F–Mei, D. Hoffmann, H. Laitko, and S. Müller-Wille, Eds. Heidelberg: Spektrum Akademischer Verlag, 2004, pp. 107–108.
LibreCat: /record/17679

V. Peckhaus, “Peirce, Charles Sanders,” in Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z, D. Hoffmann, H. Laitko, and S. Müller-Wille, Eds. Heidelberg: Spektrum Akademischer Verlag, 2004, pp. 137–138.
LibreCat: /record/17680

V. Peckhaus, “Zermelo, Ernst Friedrich Ferdinand,” in Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z, D. Hoffmann, H. Laitko, and S. Müller-Wille, Eds. Heidelberg: Spektrum Akademischer Verlag, 2004, pp. 492–493.
LibreCat: /record/17685

V. Peckhaus, “van der Waerden, Bartel Leendert,” in Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z, D. Hoffmann, H. Laitko, and S. Müller-Wille, Eds. Heidelberg: Spektrum Akademischer Verlag, 2004, pp. 387–388.
LibreCat: /record/17682

V. Peckhaus, “Whitehead, Alfred North,” in Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z, D. Hoffmann, H. Laitko, and S. Müller-Wille, Eds. Heidelberg: Spektrum Akademischer Verlag, 2004, p. 449.
LibreCat: /record/17683

V. Peckhaus, “Tarski, Alfred,” in Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z, D. Hoffmann, H. Laitko, and S. Müller-Wille, Eds. Heidelberg: Spektrum Akademischer Verlag, 2004, p. 348.
LibreCat: /record/17681

V. Peckhaus, “Rudolf Boehm, Topik. Dordrecht, Boston and London: Kluwer, 2002 (Phaenomenologica vol. 162),” History and Philosophy of Logic, vol. 25, no. (2003). pp. 155–156, 2004.
LibreCat: /record/17795