Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nakazawa Marie and Tabaru Masaya and Takayasu Toshiki and Aoyagi Takahiro and Nakamura Kentaro,100-MHz ultrasonic linear array transducers based on polyurea-film,Acoustical Science and Technology,13463969,ACOUSTICAL SOCIETY OF JAPAN,2015,36,2,139-148,https://cir.nii.ac.jp/crid/1390001205088499840,https://doi.org/10.1250/ast.36.139