United States. Bureau of the Budget and United States. Office of Management and Budget. "Economy and the Budget," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year 1990," Budget of the United States Government (January 9, 1989) : 62-86. https://fraser.stlouisfed.org/title/54/item/18996/toc/386355 , accessed on May 3, 2024.