@book{Ertner+2023, url = {https://doi.org/10.3790/9783428418756}, title = {Der Geschäftsbericht als Instrument erweiterter aktienrechtlicher Rechnungslegung}, title = {}, author = {Ulrich Ertner}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428418756}, isbn = {9783428418756}, year = {1968}, lastchecked = {2023} }