Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Monthly seasonal factors used to construct Ml, M2, and M3," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1991," Federal Reserve Bulletin (April 1991) : 52-52. https://fraser.stlouisfed.org/title/62/item/20827/toc/113315 , accessed on April 18, 2024.