1. Trinajstic, N.: Chemical Graph Theory. CRC Press, Boca Raton (1983)
2. Turro, N.J.: Geometric and topological thinking in organic chemistry. Angew. Chem. 28, 882–901 (1986)
3. Mihalic, Z., Trinajstic, N.: A graph theoretical approach to structure-property relationships. J. Chem. Educ. 69, 701–713 (1992)
4. Balaban, A.T., Motoc, I., Bonchev, D., Mekenyan, O.: Topological indices for structure activity correlations. In: Charton, M., Motoc, I. (eds.) Topics in Current Chemistry, pp. 21–55. Springer, Heidelberg (1983)
5. Rouvary, D.H.: In: King, R.B. (ed.) Chemical Applications of Topology and Graph Theory. Elsevier, Amsterdam (1983)