United States. Department of the Treasury. "Treasury's Weekly Bill Offering, February 8, 1989, Release Number nb-131," in United States. Department of the Treasury. "Volume 288," Press Releases of the United States Department of the Treasury (January 3, 1989 - February 28, 1989) : 186-189. https://fraser.stlouisfed.org/title/6111/item/587131/toc/535602 , accessed on June 27, 2024.