RT Journal Article SR Electronic T1 The 1990s at the Halfway Mark JF The Journal of Portfolio Management FD Institutional Investor Journals SP 21 OP 31 DO 10.3905/jpm.1995.409530 VO 21 IS 4 A1 John C. Bogle YR 1995 UL https://pm-research.com/content/21/4/21.abstract AB