@inproceedings{chwatal-09c,
 address = {Pisa, Italy},
 author = {Andreas M. Chwatal and Nina Musil and Günther R. Raidl},
 booktitle = {International Network Optimization Conference 2009},
 editor = {Maria Grazia Scutell{\`a} and others},
 keywords = {grasp, mip, netdesign},
 month = {April},
 title = {Solving a Multi-Constrained Network Design Problem by {L}agrangean Decomposition and Column Generation},
 url = {https://www.ac.tuwien.ac.at/files/pub/chwatal-09c.pdf},
 year = {2009}
}