Isospectral graphs and molecules

The electronic structure of conjugated systems I. General theory

C. A. Coulson, H. C. Longuet–Higgins · Proceedings of the Royal Society of London A Mathematical and Physical Sciences · 1947 · 651 citations

Natural Sciences, Chemistry, Physics +17

The electronic structure of conjugated systems II. Unsaturated hydrocarbons and their hetero-derivatives

C. A. Coulson, Hugh Christopher Longuet-Higgins · Proceedings of the Royal Society of London A Mathematical and Physical Sciences · 1947 · 330 citations

Natural Sciences, Chemistry, Physics +16

The electronic structure of conjugated systems. Parts III and IV

C. A. Coulson, Hugh Christopher Longuet-Higgins · Proceedings of the Royal Society of London A Mathematical and Physical Sciences · 1948 · 239 citations

Natural Sciences, Chemistry, Physics +17

The Determinant of the Adjacency Matrix of a Graph

Frank Harary · SIAM Review · 1962 · 235 citations

Natural Sciences, Mathematics, Circuit Theory +13

Graph theory and molecular orbitals

Aleksandra Korać Graovac, İvan Gutman, Nenad Trinajstić et al. · Theoretical Chemistry Accounts · 1972 · 213 citations

Natural Sciences, Chemistry, Physics +14