PT - JOURNAL ARTICLE AU - John W. O'Brien TI - Investment Objectives, Policy and Risk AID - 10.3905/jpm.1975.408544 DP - 1975 Jul 31 TA - The Journal of Portfolio Management PG - 29--33 VI - 1 IP - 4 4099 - https://pm-research.com/content/1/4/29.short 4100 - https://pm-research.com/content/1/4/29.full