1. Bipartite Graphs and their Applications;Asratian,1998
2. Graph Theory with Applications;Bondy,1976
3. Note: Non-Hamiltonian bicubic graphs;Georges;J. Combin. Theory Ser. B,1989
4. On the core of a graph;Harary;J. Lond. Math. Soc.,1967
5. Well-covered graphs;Hartnell;J. Combin. Math. Combin. Comput.,1999