@article{DBLP:journals/combinatorics/DongRW11,
author = {F. M. Dong and
Gordon Royle and
Dave Wagner},
title = {Chromatic Roots of a Ring of Four Cliques},
journal = {Electr. J. Comb.},
volume = {18},
number = {1},
year = {2011},
ee = {http://www.combinatorics.org/Volume_18/Abstracts/v18i1p151.html},
bibsource = {DBLP, http://dblp.uni-trier.de}
}