Heiby, Valerie. "Mixing It Up : Public/Private Partnerships Basis of Finance Fund," in Federal Reserve Bank of St. Louis. "Bridges, Summer 2007," Bridges (Federal Reserve Bank of St. Louis) (July 2007) : 4-5. https://fraser.stlouisfed.org/title/6272/item/600981/toc/580836 , accessed on May 15, 2024.