@book{Bronnenmeyer+2019, url = {https://doi.org/10.3790/9783428479849}, title = {Der Widerruf rechtmäßiger begünstigender Verwaltungsakte nach § 49 VwVfG}, title = {}, author = {Helmut Bronnenmeyer}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428479849}, isbn = {9783428479849}, year = {1994}, lastchecked = {2019} }