Estrada, E. Spectral Moments of Edge Adjacency Matrix in Molecular Graphs. 3. Molecules Containing Cycles. Journal of Chemical Information and Computer Science, 38, 1998, 23-27.

Estrada, E. Spectral Moments of Edge Adjacency Matrix in Molecular Graphs. 3. Molecules Containing Cycles. Journal of Chemical Information and Computer Science, 38, 1998, 23-27.