PT - JOURNAL ARTICLE AU - George M. Frankfurter AU - Herbert E. Phillips TI - MPT plus security analysis for better performance AID - 10.3905/jpm.1982.408888 DP - 1982 Jul 31 TA - The Journal of Portfolio Management PG - 29--36 VI - 8 IP - 4 4099 - https://pm-research.com/content/8/4/29.short 4100 - https://pm-research.com/content/8/4/29.full