1. Topics in Algebraic Graph Theory
2. Characterization of molecular branching
3. Banerjee A. The spectrum of the graph Laplacian as a tool for analyzing structure and evolution of networks [PhD dissertation]. Von der Fakultät für Mathematik und Informatik der Universität Leipzig; 2008.
4. Butler S. Eigenvalues and structures of graphs [PhD dissertation]. San Diego: University of California; 2008.