@book{Kleinhenz+2025, url = {https://doi.org/10.3790/9783428419975}, title = {Probleme wissenschaftlicher Beschäftigung mit der Sozialpolitik}, title = {}, author = {Gerhard Kleinhenz}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428419975}, isbn = {9783428419975}, year = {1970}, lastchecked = {2025} }