PT - JOURNAL ARTICLE AU - Peter L. Bernstein TI - The Age of Truth AID - 10.3905/jpm.1978.408656 DP - 1978 Jul 31 TA - The Journal of Portfolio Management PG - 4--4 VI - 4 IP - 4 4099 - https://pm-research.com/content/4/4/4.short 4100 - https://pm-research.com/content/4/4/4.full