@bookDymel_2024, place=Düren, series=Schriften des Lehrstuhls für Dynamik und Mechatronik, title=Modellbasierte Entwicklung von Ultraschallwandlern unter der Berücksichtigung von Nichtlinearitäten, volume=16, publisher=Shaker Verlag, author=Dymel, Collin, year=2024, collection=Schriften des Lehrstuhls für Dynamik und Mechatronik 

@inbookHemsel_Twiefel_2022, title=Piezoelectric Ultrasonic Power Transducers, DOI=10.1016/b978-0-12-819728-8.00047-4, booktitle=Reference Module in Materials Science and Materials Engineering, publisher=Elsevier, author=Hemsel, Tobias and Twiefel, Jens, year=2022 

@bookSprock_2019, title=Zeiteffiziente messtechnische Analyse glatt-nichtlinearen Schwingverhaltens dynamischer Strukturen, publisher=Shaker, author=Sprock, Christian, year=2019 

@articleFu_Li_Zhang_Huang_Hemsel_2010, title=Modeling of Piezoelectric Langevin Transducers by Using Mixed Transfer Matrix Methods, volume=57, DOI=10.3938/jkps.57.929, number=4, journal=Journal of Korean Physical Society, author=Fu, Bo and Li, Chao and Zhang, Jianming and Huang, Zhenwei and Hemsel, Tobias, year=2010, pages=929 

@articleHemsel_Lierk_Littmann_Morita_2010, title=Various Aspects of the Placement of a Piezoelectric Material in Composite Actuators, Motors, and Transducers, volume=57, DOI=10.3938/jkps.57.933, number=4, journal=Journal of Korean Physical Society, author=Hemsel, Tobias and Lierk, Ernst Günther and Littmann, Walter and Morita, Takeshi, year=2010, pages=933–937 

@inproceedingsBo_Ting_Hemsel_2008, title=A simple pre-stress estimating method of langevin transducers, DOI=10.1109/SPAWDA.2008.4775801, booktitle=Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium on, author=Bo, Fu and Ting, Li and Hemsel, Tobias, year=2008, pages=324–327