United States. Bureau of the Census. "Defense Indicators," in United States. Bureau of the Census. "June 1985," Business Conditions Digest (June 1985) : 58-60. https://fraser.stlouisfed.org/title/43/item/7466/toc/375551 , accessed on March 28, 2024.
United States. Bureau of the Census. "Defense Indicators," in United States. Bureau of the Census. "June 1985," Business Conditions Digest (June 1985) : 58-60. https://fraser.stlouisfed.org/title/43/item/7466/toc/375551 , accessed on March 28, 2024.