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) WILLIAMSON SJ,Methods and instrumentation for biomagnetism,Biomagnetism '87.,,Tokyo Denki University Press,1988,,,18-25,https://cir.nii.ac.jp/crid/1572824499661515008,