1. N.L. Allinger,Adv. Phys. Org. Chem.,13, 1, (1976).
2. N.L. Allinger, M.A. Miller, F.A. Van Catledge, and J.A. Hirsch, Conformational Analysis. LVII. The Calculation of the Conformational Structures of Hydrocarbons by the Westheimer-Hendrickson-Wiberg Method,J. Am. Chem. Soc,89, 4345, (1967).
3. U. Burkert and N.L. Allinger,Molecular Mechanics, (American Chemical Society, Washington, D.C.1982).
4. W.A. Coppel,Stability and Asymptotic Behavior of Differential Equations, (Boston, Mass.: D.C. Heath, 1965).
5. T.H. Cormen, C.E. Leiserson, and R.L. Rivest,Introduction to Algorithms, (McGraw-Hill Book Company, 1989).