@book{Senger+2020, url = {https://doi.org/10.3790/9783428414031}, title = {Beurteilung der Vertriebskosten}, title = {}, author = {Hans Günther Senger}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428414031}, isbn = {9783428414031}, year = {1963}, lastchecked = {2020} }