@book{Spannowsky+2020, url = {https://doi.org/10.3790/9783428482467}, title = {Grenzen des Verwaltungshandelns durch Verträge und Absprachen}, title = {}, author = {Willy Spannowsky}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428482467}, isbn = {9783428482467}, year = {1994}, lastchecked = {2020} }