@inproceedings{BorndoerferHoppmannKarbstein2016, author = {Ralf Bornd{\"o}rfer and Heide Hoppmann and Marika Karbstein}, title = {Separation of Cycle Inequalities for the Periodic Timetabling Problem}, booktitle = {24th Annual European Symposium on Algorithms (ESA 2016)}, volume = {57}, doi = {10.4230/LIPIcs.ESA.2016.21}, year = {2016}, }