1. Universal service: Telephone policy in the public interest;Aufderheide;Journal of Communication,1987
2. Universal telephone service programs are alive and well;Burkhar;Public Utilities Fortnightly,1988
3. The effects of higher prices on universal service (working paper);Gordon,1984
4. Universal service; liberalization and privatization of telecommunications;Hills;Telecommunication Policy,1989
5. Competition and Cross-Subsidization in the Telephone Industry;Johnson,1982