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) Hideaki Itoh and T. Matsumoto,An analysis of frequency of a quartz crystal tuning fork by Sezawa's approximation-the effect of clamped position of its base,Proceedings of the 1999 Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium (Cat. No.99CH36313),,IEEE,2003-01-22,1,,494-500,https://cir.nii.ac.jp/crid/1872835442637640448,https://doi.org/10.1109/freq.1999.840814