1. Eigenvalues of the Laplacian of a graph;Anderson;Linear and Multilinear Algebra,1985
2. Bounds on eigenvalues and chromatic numbers;Cao;Linear Algebra Appl.,1998
3. Spectra of Graphs––Theory and Application;Cvetković,1980
4. Spectral radius and degree sequence;Hofmeister;Math. Nachr.,1988
5. Y. Hong, Sharp upper and lower bounds for largest eigenvalue of the Laplacian matrix of trees, Research Report, 2003