@techreport{BorndoerferHoppmannKarbstein2017, author = {Ralf Bornd{\"o}rfer and Heide Hoppmann and Marika Karbstein}, title = {Umsteigen ohne Warten}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {17-05}, language = {deu}, year = {2017} }