PT - JOURNAL ARTICLE AU - Robert J. Greer TI - Conservative Commodities AID - 10.3905/jpm.1978.408649 DP - 1978 Jul 31 TA - The Journal of Portfolio Management PG - 26--29 VI - 4 IP - 4 4099 - https://pm-research.com/content/4/4/26.short 4100 - https://pm-research.com/content/4/4/26.full