Citations are generated automatically from bibliographic data as a convenience and may not be complete or accurate.
National Institute of Standards and Technology (NIST), Commerce Department. "Letter Circular 298: Automobile Engine Lubricating Oils". Government. Commerce Department, March 18, 1931. https://www.govinfo.gov/app/details/GOVPUB-C13-44621b69b0ef45de89cedc8df204c3bb
National Institute of Standards and Technology (NIST), Commerce Department. (1931, March 18). Letter Circular 298: Automobile Engine Lubricating Oils. [Government]. Commerce Department. https://www.govinfo.gov/app/details/GOVPUB-C13-44621b69b0ef45de89cedc8df204c3bb
National Institute of Standards and Technology (NIST), Commerce Department. Letter Circular 298: Automobile Engine Lubricating Oils. Commerce Department, (18 Mar 1931), https://www.govinfo.gov/app/details/GOVPUB-C13-44621b69b0ef45de89cedc8df204c3bb
National Institute of Standards and Technology (NIST), Commerce Department, Letter Circular 298, GovInfo, (March 18, 1931), https://www.govinfo.gov/app/details/GOVPUB-C13-44621b69b0ef45de89cedc8df204c3bb