PT - JOURNAL ARTICLE AU - John C. Groth AU - Wilbur G. Lewellen AU - Gary G. Schlarbaum AU - Ronald C. Lease TI - Security Analysts AID - 10.3905/jpm.1978.408643 DP - 1978 Apr 30 TA - The Journal of Portfolio Management PG - 43--48 VI - 4 IP - 3 4099 - https://pm-research.com/content/4/3/43.short 4100 - https://pm-research.com/content/4/3/43.full