1. Barber NM, Ninham DW (1988) Random and restricted walks. Gordon and Breach, New York
2. Chan HS, Dill KA (1989) J Chem Phys (in press)
3. Dill KA (1985) Biochemistry 24:1501
4. Dill KA, Alonso DOV, Hutchinson K (submitted)
5. DiMarzio EA (1965) J Chem Phys 42:2101–2106