PT - JOURNAL ARTICLE AU - Dennis E. Logue AU - Richard J. Rogalski TI - Reply AID - 10.3905/jpm.1980.408733 DP - 1980 Jan 31 TA - The Journal of Portfolio Management PG - 77--78 VI - 6 IP - 2 4099 - https://pm-research.com/content/6/2/77.short 4100 - https://pm-research.com/content/6/2/77.full