@inproceedings{BleyMenneKlaehneetal.2008, author = {Bley, Andreas and Menne, Ulrich and Kl{\"a}hne, Roman and Raack, Christian and Wess{\"a}ly, Roland}, title = {Multi-layer network design - A model-based optimization approach}, series = {Proceedings of the PGTS 2008, Berlin, Germany}, booktitle = {Proceedings of the PGTS 2008, Berlin, Germany}, publisher = {Polish-German Teletraffic Symposium}, address = {Berlin, Germany}, pages = {107 -- 116}, year = {2008}, language = {en} }