RT Journal Article SR Electronic T1 An alternative to indexing JF The Journal of Portfolio Management FD Institutional Investor Journals SP 33 OP 37 DO 10.3905/jpm.1978.408660 VO 5 IS 1 A1 H. Gifford Fong YR 1978 UL https://pm-research.com/content/5/1/33.abstract AB