@article{FruechtelBuddeHerweg, author = {Fr{\"u}chtel, Frank and Budde, Wolfgang and Herweg, Oliver}, title = {Die Entdeckung der Wirksamkeit}, series = {Sozialmagazin. Die Zeitschrift f{\"u}r Soziale Arbeit}, volume = {35}, journal = {Sozialmagazin. Die Zeitschrift f{\"u}r Soziale Arbeit}, number = {1}, publisher = {Beltz Juventa}, address = {Weinheim}, issn = {0340-8469}, pages = {28 -- 38}, subject = {Sozialarbeit}, language = {de} }