@techreport{BorndoerferMuraSchlechte2008, author = {Ralf Bornd{\"o}rfer and Annette Mura and Thomas Schlechte}, title = {Vickrey Auctions for Railway Tracks}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {08-34}, language = {eng}, year = {2008} }