@article{ELA_2006__15__a0,
     author = {Kirkland, Steve},
     title = {Limit points for normalized {Laplacian} eigenvalues},
     journal = {The electronic journal of linear algebra},
     pages = {337--344},
     publisher = {mathdoc},
     volume = {15},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2006__15__a0/}
}