@article{AM2_1981__22_136874, author = {W.G. Bridges and R.A. Mena}, title = {Multiplicative cones- a family of three eigenvalue graphs.}, journal = {Aequationes mathematicae}, pages = {208--214}, publisher = {mathdoc}, volume = {22}, year = {1981}, zbl = {0481.05043}, url = {http://geodesic.mathdoc.fr/item/AM2_1981__22_136874/} }