PT - JOURNAL ARTICLE AU - Johnson, James M. AU - Baesel, Jerome B. TI - The Nature and Significance of Trend Betas AID - 10.3905/jpm.1978.408644 DP - 1978 Apr 30 TA - The Journal of Portfolio Management PG - 36--40 VI - 4 IP - 3 4099 - http://jpm.pm-research.com/content/4/3/36.short 4100 - http://jpm.pm-research.com/content/4/3/36.full