@techreport{BorndoerferGroetschelJaeger2008, author = {Ralf Bornd{\"o}rfer and Martin Gr{\"o}tschel and Ulrich Jaeger}, title = {Planung von {\"o}ffentlichem Personenverkehr}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {08-20}, language = {deu}, year = {2008} }