United States. Department of Commerce. "U.S Plant and Equipment Expenditures by Business : Business Expects Capital Expenditures and Sales to Rise in 1971, OBE 71-13|SEC 2505,"
United States Department of Commerce News
(March 9, 1971).
https://fraser.stlouisfed.org/title/6148/item/595115, accessed on June 15, 2026.