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
"Hartmann, Jul. (Julius)",The jet-wave rectifier : an account of its constructional development during the years 1919-1929,,Danmarks naturvidenskabelige samfund,1931,Ingeniørvidenskabelige skrifter,,,,https://cir.nii.ac.jp/crid/1130000796046144896