著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) D.I. Bolef and J. De Klerk,Some Continuous-Wave Techniques for the Measurement of Velocity and Attenuation of Ultrasonic Waves Between 1 and 1000 Mc,IEEE Transactions on Ultrasonics Engineering,0893-6706,Institute of Electrical and Electronics Engineers (IEEE),1963-07,10,1,19-26,https://cir.nii.ac.jp/crid/1360011144924660736,https://doi.org/10.1109/t-ue.1963.29296