1. Kaveh, A.: Structural Mechanics: Graph and Matrix Methods, 3rd edn. Research Studies Press (John Wiley), London (2004)
2. Kaveh, A.: Optimal Structural Analysis, 2nd edn. Research Studies Press (John Wiley), London (2006)
3. Harary, F.: Graph Theory. Addison-Wesley, Reading (1969)
4. Berge, C.: Graphs and Hypergraphs. North-Holland Publishing, Amsterdam (1973)
5. West, D.B.: Introduction to Graph Theory. Prentice-Hall, Upper Saddle River, NJ (1996)