@book{Roth+2019, url = {https://doi.org/10.3790/9783428471652}, title = {Verwaltungshandeln mit Drittbetroffenheit und Gesetzesvorbehalt}, title = {}, author = {Andreas Roth}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428471652}, isbn = {9783428471652}, year = {1991}, lastchecked = {2019} }