1. On the nullity number of graphs;Aouchiche;Electron. J. Graph Theory and Appl.,2017
2. Trees with very few eigenvalues;Beezer;J. Graph Theory,1990
3. Algebraic graph theory, cambridge tracts in mathematics 64;Biggs,1974
4. Extremal problems in graph theory;Bollobás;J. Graph Theory,1977
5. On the nullity of tricyclic graphs;Cheng;Linear Algebra Appl.,2011