@misc{FuegenschuhHumpolaKoch, author = {F{\"u}genschuh, Armin and Humpola, Jesco and Koch, Thorsten}, title = {Valid inequalities for the topology optimization problem in gas network design}, series = {OR Spectrum}, volume = {38}, journal = {OR Spectrum}, number = {3}, issn = {1436-6304}, pages = {597 -- 631}, language = {en} } @misc{BoerndoerferKlugSchlechteetal., author = {B{\"o}rnd{\"o}rfer, Ralf and Klug, Torsten and Schlechte, Thomas and F{\"u}genschuh, Armin and Schang, Thilo and Sch{\"u}lldorf, Hanno}, title = {The Freight Train Routing Problem for Congested Railway Networks with Mixed Traffic}, series = {Transportation Science}, volume = {50}, journal = {Transportation Science}, number = {2}, issn = {1526-5447}, doi = {10.1287/trsc.2015.0656}, pages = {363 -- 761}, language = {en} }