1. Report at Symposium on Chemical Applications of Topology and Graph Theory (Columbia, SC, March 25-26, 1985).
2. Ed., Chemical Applications of Topology and Graph Theory (Elsevier, Amsterdam, 1983).
3. Chemical Graph Theory (CRC, Boca Raton, FL, 1983) Vols. I and II.
4. Ed., Mathematics and Computational Concepts in Chemistry (Horwood, Chichester, 1986).
5. and Eds., Graph Theory and Chemical Applications (Abacus, Chichester, 1986), Vol. I, to appear.