PT  - JOURNAL ARTICLE
AU  - Frederick L. Muller
AU  - Bruce D. Fielitz
AU  - Myron T. Greene
TI  - S&P Quality Group Rankings
AID  - 10.3905/jpm.1983.39
DP  - 1983 Jul 31
TA  - The Journal of Portfolio Management
PG  - 39--42
VI  - 9
IP  - 4
4099  - https://pm-research.com/content/9/4/39.short
4100  - https://pm-research.com/content/9/4/39.full