RT Journal Article SR Electronic T1 The Jarring Surprises of the Present JF The Journal of Portfolio Management FD Institutional Investor Journals SP 4 DO 10.3905/jpm.1979.408691 VO 5 IS 3 A1 Bernstein, Peter L. YR 1979 UL http://jpm.pm-research.com/content/5/3/4.abstract AB