Estrada, E., Bonchev, D., Chemical Graph Theory. In the book: Handbook of Graph Theory, Second Edition, edited by J. L. Gross, J. Yellen and P. Zhang, Chapman and Hall/CRC, 2013.

Estrada, E., Bonchev, D., Chemical Graph Theory. In the book: Handbook of Graph Theory, Second Edition, edited by J. L. Gross, J. Yellen and P. Zhang, Chapman and Hall/CRC, 2013.[PDF]