RT Journal Article SR Electronic T1 Hickman Revisited JF The Journal of Portfolio Management FD Institutional Investor Journals SP 53 OP 57 DO 10.3905/jpm.1978.408650 VO 4 IS 4 A1 John D. Fitzpatrick A1 Jacobus T. Severiens YR 1978 UL https://pm-research.com/content/4/4/53.abstract AB