RT Journal Article SR Electronic T1 Benjamin Graham Versus the Efficient Market JF The Journal of Portfolio Management FD Institutional Investor Journals SP 4 OP 4 DO 10.3905/jpm.1977.408610 VO 3 IS 4 A1 Peter L. Bernstein YR 1977 UL https://pm-research.com/content/3/4/4.abstract AB