Gruber, Joseph W. "Memo: Modeling Commodity Prices," in United States. Federal Open Market Committee. "Meeting, June 21-22, 2011," Federal Open Market Committee Meeting Minutes, Transcripts, and Other Documents (June 21-22, 2011) : 1-16. https://fraser.stlouisfed.org/title/677/item/23300/content/pdf/fomc20110615memo03/toc/521588 , accessed on May 8, 2024.