@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