References
- Bull. Korean Chem. Soc. v.6 H. Sun;U.S. Kim;Y. Kim
- Modern Theoretical Chemistry v.7 K.F. Freed;G.A. Segal(ed.)
- J. Am. Chem. Soc. v.97 R. Bingham;M.J.S. Dewar;D.H. Lo
- The Theory of the Electronic Structure of Organic chemistry J.N. Murrell
- Approximate Molecular Orbital Theory J.A. Pople;D.L. Beveridge
- The Molecular Orbital Theory of Conjugated Systems L. Salem