RT Journal Article SR Electronic T1 Adjusting for Risk in Portfolio Performance Measurement JF The Journal of Portfolio Management FD Institutional Investor Journals SP 29 OP 34 DO 10.3905/jpm.1975.408513 VO 1 IS 2 A1 William F. Sharpe YR 1975 UL https://pm-research.com/content/1/2/29.abstract AB