RT Journal Article SR Electronic T1 Is Standard and Poor's Master List Worthless? JF The Journal of Portfolio Management FD Institutional Investor Journals SP 34 OP 37 DO 10.3905/jpm.1977.34 VO 4 IS 1 A1 Michael W. Garbisch A1 Gordon J. Alexander YR 1977 UL https://pm-research.com/content/4/1/34.abstract AB