@inproceedings{chwatal-10b,
 address = {Las Vegas, Nevada},
 author = {Andreas M. Chwatal and Günther R. Raidl},
 booktitle = {Proceedings of the 2010 International Conference on Genetic and Evolutionary Methods, GEM~2010},
 editor = {H. Arabnia and A. M. G. Solo},
 publisher = {CSREA Press},
 title = {Solving the Minimum Label Spanning Tree Problem by Ant Colony Optimization},
 url = {https://www.ac.tuwien.ac.at/files/pub/chwatal-10b.pdf},
 year = {2010}
}