1. On the index of broken wheels;Bell;Linear and Multilinear Algebra,1995
2. On the spectral radius of connected graphs;Brualdi;Publ. Inst. Math. (Beograd),1986
3. Spectra of Graphs—Theory and Applications;Cvetković,1995
4. The largest eigenvalue of a graph: a survey;Cvetković;Linear and Multilinear Algebra,1990
5. Eigenspaces of Graphs;Cvetković,1997