PT - JOURNAL ARTICLE AU - Richard B. Edelman TI - A new approach to ratings on utility bonds AID - 10.3905/jpm.1980.408755 DP - 1980 Jul 31 TA - The Journal of Portfolio Management PG - 73--74 VI - 6 IP - 4 4099 - https://pm-research.com/content/6/4/73.short 4100 - https://pm-research.com/content/6/4/73.full