@article{DMGT_2002_22_1_a5,
     author = {Eisenbl\"atter, Andreas and Gr\"otschel, Martin and Koster, Arie},
     title = {Frequency planning and ramifications of coloring},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {51--88},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2002_22_1_a5/}
}