PT - JOURNAL ARTICLE AU - Peter L. Bernstein TI - How to Perform Without Really Trying AID - 10.3905/jpm.1979.408696 DP - 1979 Jul 31 TA - The Journal of Portfolio Management PG - 4 VI - 5 IP - 4 4099 - https://pm-research.com/content/5/4/4.short 4100 - https://pm-research.com/content/5/4/4.full