@article{10_37236_134,
     author = {Michael O. Albertson and Daniel W. Cranston and Jacob Fox},
     title = {Crossings, colorings, and cliques},
     journal = {The electronic journal of combinatorics},
     year = {2009},
     volume = {16},
     number = {1},
     doi = {10.37236/134},
     zbl = {1182.05035},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/134/}
}