TY - JOUR T1 - A Test of Market Efficiency JF - The Journal of Portfolio Management SP - 53 LP - 58 DO - 10.3905/jpm.1979.53 VL - 5 IS - 4 AU - Clinton M. Bidwell III Y1 - 1979/07/31 UR - https://pm-research.com/content/5/4/53.abstract ER -