PT - JOURNAL ARTICLE AU - Douglas A. Hayes TI - The Multi-Dimensional Aspects of Risk AID - 10.3905/jpm.1976.408578 DP - 1976 Jul 31 TA - The Journal of Portfolio Management PG - 23--28 VI - 2 IP - 4 4099 - https://pm-research.com/content/2/4/23.short 4100 - https://pm-research.com/content/2/4/23.full