@article{Micheel+2020+1+384, url = {https://doi.org/10.3790/sfo.69.5.app}, title = {Micheel (Online-Anhang)}, title = {}, author = {Frank Micheel}, pages = {1--384}, volume = {69}, number = {5}, journal = {Sozialer Fortschritt}, doi = {doi:10.3790/sfo.69.5.app}, year = {2020}, lastchecked = {2020-05-01} }