@article{Butterwegge, author = {Butterwegge, Christoph}, title = {Der deutsche Sozialstaat am Ende?}, series = {neue praxis}, volume = {25}, journal = {neue praxis}, number = {5}, pages = {487 -- 495}, subject = {{\"U}beralterung}, language = {de} } @article{Butterwegge, author = {Butterwegge, Christoph}, title = {Der deutsche Sozialstaat im Kreuzfeuer der Kritik}, series = {Zukunft}, journal = {Zukunft}, number = {9}, pages = {22 -- 28}, subject = {Sozialdemokratie}, language = {de} }