@article{1+1963+720+723, url = {https://doi.org/10.3790/schm.83.6.720}, title = {Arbeitszeit und Produktivität}, title = {}, author = {1 1}, pages = {720--723}, volume = {83}, number = {6}, journal = {Journal of Contextual Economics – Schmollers Jahrbuch}, doi = {doi:10.3790/schm.83.6.720}, year = {1963}, lastchecked = {1963-06-01} }