Frank Fischer. Ordering Constraints in Time Expanded Networks for Train Timetabling Problems. In Giuseppe F. Italiano, Marie Schmidt, editors, 15th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems, ATMOS 2015, September 17, 2015, Patras, Greece. Volume 48 of OASICS, pages 97-110, Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2015. [doi]