PT - JOURNAL ARTICLE AU - Richard B. Edelman TI - A New Approach to Ratings on Utility Bonds AID - 10.3905/jpm.1979.408687 DP - 1979 Apr 30 TA - The Journal of Portfolio Management PG - 63--68 VI - 5 IP - 3 4099 - https://pm-research.com/content/5/3/63.short 4100 - https://pm-research.com/content/5/3/63.full