PT - JOURNAL ARTICLE AU - Peter L. Bernstein TI - Ellis in Wonderland AID - 10.3905/jpm.1980.408773 DP - 1980 Oct 31 TA - The Journal of Portfolio Management PG - 4 VI - 7 IP - 1 4099 - https://pm-research.com/content/7/1/4.short 4100 - https://pm-research.com/content/7/1/4.full