%% -*-BibTeX-*- @InCollection{BorndoerferGroetschelLoebel2003, author = "Ralf Bornd{\"o}rfer and Martin Gr{\"o}tschel and Andreas L{\"o}bel", editor = "Willi J{\"a}ger and Hans-Joachim Krebs", booktitle = "MATHEMATICS -- Key Technology for the Future", title = "Duty Scheduling in Public Transit", publisher = "Springer Verlag", address = "Berlin", pages = "653--674", year = "2003", note = "{ZIB} Report 01-02", URL = "http://opus.kobv.de/zib/volltexte/2001/629/", language = "English", }