@book{Müller+2021, url = {https://doi.org/10.3790/9783428498734}, title = {Die Aufhebung von Verwaltungsakten unter dem Einfluß des Europarechts}, title = {}, author = {Hermann Müller}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428498734}, isbn = {9783428498734}, year = {2000}, lastchecked = {2021} }