1. Cohn EJ, Edsall JT (1943) In: Cohn EJ, Edsall JT (eds) Proteins, amino acids and peptides as ions and dipolar ions. Reinhold, New York, pp 370–381, 428–431 (1965) reprint by Hafner, New York
2. Eisenberg H (1976) Biological macromolecules and polyelectrolytes in solution. Clarendon, Oxford
3. Eisenberg H (1981) Q Rev Biophys 14: 141–172
4. Elder JP (1979) Methods Enzymol 61: 12–25
5. Kratky O, Leopold H, Stabinger H (1973) Methods Enzymol 27: 98–110