1. Flory PJ (1964) Principles of polymer chemistry. Cornell University Press, Ithaca
2. Fernandez JM, Villalon M, Verdugo P (1991) Biophys J 59: 1022
3. Viney C, Huber AE, Verdugo P (1993) Macromolecules 26: 852
4. Boat TF, Cheng PW (1980) Fed Proc 39: 3067
5. Boat TF, Cheng PW, Iyer RN, Carlson DM, Polony I (1976) Arch Biochem Biophys 177: 95