RT Journal Article SR Electronic T1 Investing in the 1990s JF The Journal of Portfolio Management FD Institutional Investor Journals SP 5 OP 14 DO 10.3905/jpm.1991.409332 VO 17 IS 3 A1 John C. Bogle YR 1991 UL https://pm-research.com/content/17/3/5.abstract AB