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 "Piene, Ragni","A note on higher order dual varieties, with an application to scrolls",,"Universitetet i Oslo, Matematisk institutt",1982,Preprint series,,8255304770,,https://cir.nii.ac.jp/crid/1130282269458910848