PT - JOURNAL ARTICLE AU - Stephen Rogers TI - Valuation methods and portfolio performance AID - 10.3905/jpm.1974.408492 DP - 1974 Oct 31 TA - The Journal of Portfolio Management PG - 80--83 VI - 1 IP - 1 4099 - https://pm-research.com/content/1/1/80.short 4100 - https://pm-research.com/content/1/1/80.full