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) ENGAN H.,Excitation of Elastic Surface Waves by Spatial Harmonics of Interdigital Transducers,IEEE Trans.,,,1969,16,,1014-1017,https://cir.nii.ac.jp/crid/1570291225691185920,