@article{chwatal-11b,
 author = {Andreas Chwatal and Günther R. Raidl},
 doi = {10.1155/2011/143732},
 journal = {Advances in Operations Research},
 keywords = {mip, netdesign},
 number = {143732},
 pages = {1--38},
 title = {Solving the Minimum Label Spanning Tree Problem by Mathematical Programming Techniques},
 url = {https://www.ac.tuwien.ac.at/files/pub/chwatal-11b.pdf},
 volume = {2011},
 year = {2011}
}