@techreport{BaermannLiersMartinetal.2015, author = {B{\"a}rmann, Andreas and Liers, Frauke and Martin, Alexander and Merkert, Maximilian and Thurner, Christoph and Weninger, Dieter}, title = {Solving network design problems via iterative aggregation}, series = {Mathematical Programming Computation}, volume = {7}, journal = {Mathematical Programming Computation}, number = {2}, doi = {10.1007/s12532-015-0079-1}, url = {https://opus4.kobv.de/opus4-trr154/97}, pages = {189 -- 217}, year = {2015}, language = {en}, type = {Preprint}, institution = {TRR 154} } @misc{LangLeugeringMartinetal., author = {Lang, Jens and Leugering, G{\"u}nter and Martin, Alexander and Tischendorf, Caren}, title = {Gasnetzwerke: Mathematische Modellierung, Simulation und Optimierung}, doi = {10.1515/dmvm-2015-0013}, url = {https://opus4.kobv.de/opus4-trr154/198}, language = {de}, type = {Preprint}, institution = {TRR 154} }