@article{01522960,
title = {Geometric thickness of complete graphs.},
journal = {Journal of Graph Algorithms and Applications},
volume = {4},
year = {2000},
pages = {5-17,},
zbl = {0955.05028},
language = {en},
url = {http://dml.mathdoc.fr/item/01522960}
}
Dillencourt, Michael B.; Eppstein, David; Hirschberg, Daniel S. Geometric thickness of complete graphs.. Journal of Graph Algorithms and Applications, Tome 4 (2000) pp. 5-17,. http://gdmltest.u-ga.fr/item/01522960/