%0 Journal Article %A David Emms %A Edwin R. Hancock %A Simone Severini %A Richard C. Wilson %T A matrix representation of graphs and its spectrum as a graph invariant %J The electronic journal of combinatorics %D 2006 %V 13 %U http://geodesic.mathdoc.fr/articles/10.37236/1060/ %R 10.37236/1060 %F 10_37236_1060