Composite Indexes of Leading, Coincident, and Lagging Indicators: January 1978, BEA 78-15
United States. Bureau of Economic Analysis. "Composite Indexes of Leading, Coincident, and Lagging Indicators: January 1978, BEA 78-15," Bureau of Economic Analysis (BEA) News Releases (February 28, 1978). https://fraser.stlouisfed.org/title/6148/item/595729, accessed on April 23, 2024.