RT Journal Article SR Electronic T1 Benefits and Limitations of Diversification Among Commodity Trading Advisors JF The Journal of Portfolio Management FD Institutional Investor Journals SP 65 OP 80 DO 10.3905/jpm.1996.409581 VO 23 IS 1 A1 Randall S. Billingsley A1 Don M. Chance YR 1996 UL https://pm-research.com/content/23/1/65.abstract AB