著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Stefanowski, Roman","Poland : a chronology of events, February-Jury 1981",,Research and Analysis Department of Radio Free Europe,1982,RAD background report,,,,https://cir.nii.ac.jp/crid/1130000793712396032