@article{Kelle+Kleinert+2010+51+71, url = {https://doi.org/10.3790/aeq.56.1.51}, title = {German Firms in Service Trade}, title = {}, author = {Markus KelleJörn Kleinert}, pages = {51--71}, volume = {56}, number = {1}, journal = {Applied Economics Quarterly}, doi = {doi:10.3790/aeq.56.1.51}, year = {2010}, lastchecked = {2010-01-01} }