@techreport{BorndoerferSchlechteSwarat2011, author = {Ralf Bornd{\"o}rfer and Thomas Schlechte and Elmar Swarat}, title = {Railway Track Allocation - Simulation, Aggregation, and Optimization}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {11-35}, language = {eng}, year = {2011} }