United States. Bureau of Economic Analysis. "Broad-Based Recovery in 2003 Led by Durable Goods Manufacturing and Services-Producing Industries : Revised Estimates of Gross Domestic Product (GDP) by Industry, 2001-2013, BEA 04-59," Bureau of Economic Analysis (BEA) News Releases (December 20, 2004). https://fraser.stlouisfed.org/title/6148/item/597956, accessed on May 18, 2025.