Bibtex export
@book{ Oppenheimer1926, title = {Der Arbeitslohn: kritische Studie}, author = {Oppenheimer, Franz}, year = {1926}, pages = {74}, address = {Jena}, publisher = {G. Fischer}, urn = {https://nbn-resolving.org/urn:nbn:de:0168-ssoar-50438-4}, }