1. Design of Regulatory Mechanisms and Institutions;David P Baron;Handbook of Industrial Organization,1989
2. Partial Sell-Off of Tube May Cost 65 Million Pounds;Charles Batchelor;Financial Times,1998
3. The FCC's Selection of a 'Proper' Costing Standard after Fifteen Years --What Can We Learn from Docket 18128;Walter G Bolter;Assessing New Pricing Concepts in Public Utilities. Institute of Public Utilities, Ninth Annual Conference,1978