Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Erichsen, Hans-Uwe and Ehlers, Dirk and Burgi, Martin",Allgemeines Verwaltungsrecht,"13., völlig neu bearb. Aufl",De Gruyter Recht,2006,De Gruyter Lehrbuch,,"3899492153,3899492145",,https://cir.nii.ac.jp/crid/1130000795428586368