@article{1990+493+500, url = {https://doi.org/10.3790/schm.110.3.493}, title = {Berichte aus der Arbeit der Gesellschaft}, title = {}, author = {}, pages = {493--500}, volume = {110}, number = {3}, journal = {Journal of Contextual Economics – Schmollers Jahrbuch}, doi = {doi:10.3790/schm.110.3.493}, year = {1990}, lastchecked = {1990-03-01} }