%0 Journal Article %A Pawel Wocjan %A Clive Elphick %T New spectral bounds on the chromatic number encompassing all eigenvalues of the adjacency matrix %J The electronic journal of combinatorics %D 2013 %V 20 %N 3 %U http://geodesic.mathdoc.fr/articles/10.37236/2735/ %R 10.37236/2735 %F 10_37236_2735