1. The electronic structure of conjugated systems I. General theory
2. 1947, 192, 16–32.
3. For general discussions of bond–bond polarizabilities in the Hückel framework, see:Streitwieser, A.Molecular Orbital Theory for Organic Chemists;John Wiley:New York, 1961; p107ff.
4. Salem, L.Molecular Orbital Theory of Conjugated Systems;Benjamin:New York, 1966; pp35,148–152.
5. Daudel, R.; Lefebvre, R.; Moser, C.Quantum Chemistry, Methods and Applications;Interscience:New York, 1959; pp80–83.