1. Gurd, F.R.N, and Rothgeb, M.: 1979, Adv. in Protein Chemistry 33, pp 73–110.
2. Sarma, R.H. ed. Nucleic Acid Geometry + Dynamics. Pergamon Press 1980.
3. Careri. G. (1974) in Quantum Statistical Mechanics in the Natural Sciences, B. Kursunoglu S.L. Mintz and S.M. Widmayer Eds. Plenum Press N.Y. pp 15–35.
4. Linderstrom-Lang. K.U. and Schellman, J.A.: 1959. in the Enzymes, P. Boyer, H. Lardy and K. Myrback Eds. Vol. 1, 2nd ed. Academic Press, pp 443–510.
5. Hvidt, A.: 1973. In Dynamic Aspects of Conformational Changes in Macromolecules, C. Sadron Ed. Reidel Holland pp 103–115.