@book{Hirsch+2025, url = {https://doi.org/10.3790/9783428406333}, title = {Alfred Marshalls Beitrag zur modernen Theorie der Unternehmung}, title = {}, author = {Hans Hirsch}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428406333}, isbn = {9783428406333}, year = {1965}, lastchecked = {2025} }