@article{Kranig2017, author = {Andreas Kranig}, title = {Zum Nebeneinander mehrerer Erwerbst{\"a}tigkeiten}, series = {SGb (Die Sozialgerichtsbarkeit)}, volume = {64}, number = {11}, publisher = {Erich Schmidt Verlag}, address = {Berlin}, issn = {0943-1462}, doi = {10.37307/j.1864-8029.2017.11.04}, pages = {610 -- 617}, year = {2017}, language = {de} }