RT Journal Article SR Electronic T1 A new method for evaluating pension fund portfolios JF The Journal of Portfolio Management FD Institutional Investor Journals SP 34 OP 40 DO 10.3905/jpm.1979.408679 VO 5 IS 2 A1 Edmund A. Mennis YR 1979 UL https://pm-research.com/content/5/2/34.abstract AB