PT - JOURNAL ARTICLE AU - Edward J. Mitchell TI - Nuggets AID - 10.3905/jpm.1978.408639 DP - 1978 Apr 30 TA - The Journal of Portfolio Management PG - 5--11 VI - 4 IP - 3 4099 - https://pm-research.com/content/4/3/5.short 4100 - https://pm-research.com/content/4/3/5.full