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) MARCZAK W,Water as a standard in the measurements of speed of sound in liquids,Acoustical Society of America Journal,,,1997,102,,2776-9,https://cir.nii.ac.jp/crid/1572824499123777152,