@article{05576426,
title = {Crossings, colorings, and cliques.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {16},
year = {2009},
zbl = {1182.05035},
language = {en},
url = {http://dml.mathdoc.fr/item/05576426}
}
Albertson, Michael O.; Cranston, Daniel W.; Fox, Jacob. Crossings, colorings, and cliques.. The Electronic Journal of Combinatorics [electronic only], Tome 16 (2009) . http://gdmltest.u-ga.fr/item/05576426/