Estrada, E. Three-dimensional generalized graph matrix, Harary descriptors and a generalized interatomic Lennard-Jones potential. Journal of Physical Chemistry A 108, 2004, 5468-5473.

Estrada, E. Three-dimensional generalized graph matrix, Harary descriptors and a generalized interatomic Lennard-Jones potential. Journal of Physical Chemistry A 108, 2004, 5468-5473.