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) ZAVE Pamela,An Operational Approach to Requirements Specification for Embedded Systems,IEEE Transactions on Software Engineering,,,1982,8,,250-269,https://cir.nii.ac.jp/crid/1570009749218362496,