United States. Bureau of the Census. "Defense Indicators," in United States. Bureau of the Census. "June 1985," Business Conditions Digest (June 1985) : 95-96. https://fraser.stlouisfed.org/title/43/item/7466/toc/375579 , accessed on April 24, 2024.
United States. Bureau of the Census. "Defense Indicators," in United States. Bureau of the Census. "June 1985," Business Conditions Digest (June 1985) : 95-96. https://fraser.stlouisfed.org/title/43/item/7466/toc/375579 , accessed on April 24, 2024.