@article{2007:krija:intervall, title = {Intervall- und Tandemleistungen}, year = {2007}, note = {}, journal = {Soziale Arbeit}, pages = {216--220}, author = {Krija, Klaus-Michael and Kleve, Heiko and Römhild, Joachim and Hofert, Michael and Schwarz, Jacqueline}, volume = {56}, number = {6} }