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 "Nystuen, Johan Petter","Diatremes and volcanic rocks in the Hurdal area, Oslo region : studies on the igneous rock complex of the Oslo region, XXV",,Universitetsforlaget,1975,Skrifter,,8200014622,,https://cir.nii.ac.jp/crid/1130000796561007360