@articleBöcker_Amann_Schulz_2004, title=Active Suppression of Torsional Oscillations, volume=37, DOI=10.1016/s1474-6670(17)31123-0, number=14, journal=IFAC Proceedings Volumes, publisher=Elsevier BV, author=Böcker, Joachim and Amann, Notker and Schulz, Bernd, year=2004, pages=319–324 

@articleAmann_Böcker_Prenner_2004, title=Active Damping of Drive Train Oscillations for an Electrically Driven Vehicle, volume=9, DOI=10.1109/tmech.2004.839036, number=4, journal=IEEE/ASME Transactions on Mechatronics, publisher=Institute of Electrical and Electronics Engineers (IEEE), author=Amann, Notker and Böcker, Joachim and Prenner, Franz, year=2004, pages=697–700 

@inproceedingsBöcker_2004, title=Tolerance band controller for a three-level four-quadrant converter including DC link balancing, DOI=10.1109/pesc.2004.1354749, booktitle=2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.041), publisher=IEEE, author=Böcker, Joachim, year=2004 

@inproceedingsNjiende_Fröhleke_Böcker_2004, title=Derivation of integrated magnetic components using reluctance and mathematical modeling, DOI=10.1109/pesc.2004.1354859, booktitle=2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.041), publisher=IEEE, author=Njiende, H.D. and Fröhleke, N. and Böcker, Joachim, year=2004 

@inproceedingsKauczor_Fröhleke_2004, title=Inverter topologies for ultrasonic piezoelectric transducers with high mechanical Q-factor, DOI=10.1109/pesc.2004.1355265, booktitle=2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.041), publisher=IEEE, author=Kauczor, C. and Fröhleke, Norbert, year=2004 

@inproceedingsWetzel_Siegel_Njiende_Fröhleke_Böcker_2004, title=Low Voltage Asymmetrical Half-Bridge Converter with Integrated Magnetics, booktitle=11th International Power Electronics and Motion Control Conferences, Riga, Latvia, author=Wetzel, H. and Siegel, A. and Njiende, H. and Fröhleke, Norbert and Böcker, Joachim, year=2004 

@inproceedingsSchulz_Pottharst_Fröhleke_Böcker_2004, title=Modelling of Influences to a Linear-Drive-System, booktitle=11th International Power Electronics and Motion Control Conferences, Riga, Latvia, author=Schulz, B. and Pottharst, A. and Fröhleke, N. and Böcker, Joachim, year=2004 

@inproceedingsPottharst_Baptist_Schütze_Böcker_Fröhleke_Dellnitz_2004, title=Operating Point Assignment of a Linear Motor Driven Vehicle Using Multiobjective Optimization Methods, booktitle=11th International Power Electronics and Motion Control Conferences, Riga, Latvia, author=Pottharst, A. and Baptist, K. and Schütze, O. and Böcker, Joachim and Fröhleke, N. and Dellnitz, M., year=2004 

@inproceedingsLi_Pottharst_Fröhleke_Böcker_2004, title=Energy Storage Scheme for Rail-guided Shuttle using Ultracapacitor and Battery, booktitle=11th International Power Electronics and Motion Control Conferences, Riga, Latvia, author=Li, R. and Pottharst, A. and Fröhleke, N. and Böcker, Joachim, year=2004 

@inproceedingsLi_Pottharst_Fröhleke_Böcker_2004, title=Analysis and Design of Improved Isolated Full-Bridge Bi-Directional DC-DC Converter, booktitle=PESC 2004, Aachen, Germany, author=Li, R. and Pottharst, A. and Fröhleke, N. and Böcker, Joachim, year=2004 

@inproceedingsPottharst_Schulz_Böcker_2004, title=Kommunikationssystem einer Anlage mit doppelt gespeistem Linearmotor, booktitle=SPS/IPC/DRIVES 2004, Nürnberg, Deutschland, author=Pottharst, A. and Schulz, B. and Böcker, Joachim, year=2004 

@inproceedingsKauczor_Schulte_Grotstollen_2004, title=Piezoelectric Transformer of Travelling Wave Type, booktitle=ACTUATOR 2004, Bremen, Germany, author=Kauczor, C. and Schulte, T. and Grotstollen, H., year=2004 

@inbookPeckhaus_2004, place=Heidelberg, title=Frege, Friedrich Ludwig Gottlob, booktitle=Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 2: F–Mei, publisher=Spektrum Akademischer Verlag, author=Peckhaus, Volker, editor=Hoffmann, Dieter and Laitko, Hubert and Müller-Wille, Staffan, year=2004, pages=47–48 

@inbookPeckhaus_2004, place=Heidelberg, title=Gödel, Kurt Friedrich, booktitle=Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 2: F–Mei, publisher=Spektrum Akademischer Verlag, author=Peckhaus, Volker, editor=Hoffmann, Dieter and Laitko, Hubert and Müller-Wille, Staffan, year=2004, pages=107–108 

@inbookPeckhaus_2004, place=Heidelberg, title=Peirce, Charles Sanders, booktitle=Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z, publisher=Spektrum Akademischer Verlag, author=Peckhaus, Volker, editor=Hoffmann, Dieter and Laitko, Hubert and Müller-Wille, Staffan, year=2004, pages=137–138 

@inbookPeckhaus_2004, place=Heidelberg, title=Zermelo, Ernst Friedrich Ferdinand, booktitle=Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z, publisher=Spektrum Akademischer Verlag, author=Peckhaus, Volker, editor=Hoffmann, Dieter and Laitko, Hubert and Müller-Wille, Staffan, year=2004, pages=492–493 

@inbookPeckhaus_2004, place=Heidelberg, title=van der Waerden, Bartel Leendert, booktitle=Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z, publisher=Spektrum Akademischer Verlag, author=Peckhaus, Volker, editor=Hoffmann, Dieter and Laitko, Hubert and Müller-Wille, Staffan, year=2004, pages=387–388 

@inbookPeckhaus_2004, place=Heidelberg, title=Whitehead, Alfred North, booktitle=Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z, publisher=Spektrum Akademischer Verlag, author=Peckhaus, Volker, editor=Hoffmann, Dieter and Laitko, Hubert and Müller-Wille, Staffan, year=2004, pages=449 

@inbookPeckhaus_2004, place=Heidelberg, title=Tarski, Alfred, booktitle=Lexikon der bedeutenden Naturwissenschaftler in drei Bänden, Bd. 3: Men–Z, publisher=Spektrum Akademischer Verlag, author=Peckhaus, Volker, editor=Hoffmann, Dieter and Laitko, Hubert and Müller-Wille, Staffan, year=2004, pages=348 

@articlePeckhaus_2004, title=Rudolf Boehm, Topik. Dordrecht, Boston and London: Kluwer, 2002 (Phaenomenologica vol. 162), volume=25, number=(2003), journal=History and Philosophy of Logic, author=Peckhaus, Volker, year=2004, pages=155–156