@book{Ackermann+2011, url = {https://doi.org/10.3790/9783428512669}, title = {Die Drittwiderklage}, title = {Eine prozessökonomische Untersuchung}, author = {Rüdiger Ackermann}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428512669}, isbn = {9783428512669}, year = {2005}, lastchecked = {2011} }