@book{Schmidt+2020, url = {https://doi.org/10.3790/9783428490349}, title = {Die Problematik der objektiven Beweislast im Steuerrecht}, title = {}, author = {Michael Schmidt}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428490349}, isbn = {9783428490349}, year = {1998}, lastchecked = {2020} }