@techreport{BlancoBorndoerferHoangetal.2017, author = {Marco Blanco and Ralf Bornd{\"o}rfer and Nam-Dung Hoang and Anton Kaier and Pedro Maristany de las Casas and Thomas Schlechte and Swen Schlobach}, title = {Cost Projection Methods for the Shortest Path Problem with Crossing Costs}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {17-48}, language = {eng}, year = {2017} }