United States. Bureau of Economic Analysis. "U.S. Plant and Equipment Expenditures by Business : Business Foresees Rise in Capital Spending in First Half of 1972, OBE 71-77|SEC 2559,"
Bureau of Economic Analysis (BEA) News Releases
(December 2, 1971).
https://fraser.stlouisfed.org/title/6148/item/595187, accessed on March 22, 2025.