1. See, e.g. Charge Transfer Interactions in Biopolymers (Academic, New York, 1971);
2. Electronic Biology and Cancer (Marcel Dekker, New York, 1976).
3. Biophysik-Ein Lehrbuch (Springer, Berlin, 1977), p. 166.
4. and Quantum Biochemistry (Wiley-Interscience, New York, 1963), p. 345.