%% -*-BibTeX-*- @InProceedings{FischerHelmbergJanssenKrostitz2008, author = "Frank Fischer and Christoph Helmberg and J{\"u}rgen Jan{\"s}en and Boris Krostitz", editor = "Matteo Fischetti and Peter Widmayer", booktitle = "ATMOS 2008 - 8th Workshop on Algorithmic Approaches for Transportation Modeling, Optimization, and Systems", title = "Towards Solving Very Large Scale Train Timetabling Problems by Lagrangian Relaxation", publisher = "Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, Germany", address = "Dagstuhl, Germany", year = "2008", URL = "http://drops.dagstuhl.de/opus/volltexte/2008/1585", annote = "Keywords:", }