Oleg V. Borodin Douglas R. Woodall Cyclic Colorings of 3-Polytopes with Large Maximum Face Size. 143-154 2002 15 SIAM J. Discrete Math. 2 http://epubs.siam.org/sam-bin/dbq/article/30248 db/journals/siamdm/siamdm15.html#BorodinW02