PT - JOURNAL ARTICLE AU - Clinton M. Bidwell III TI - A Test of Market Efficiency AID - 10.3905/jpm.1979.53 DP - 1979 Jul 31 TA - The Journal of Portfolio Management PG - 53--58 VI - 5 IP - 4 4099 - https://pm-research.com/content/5/4/53.short 4100 - https://pm-research.com/content/5/4/53.full