Brief history of measurement systems :
with a chart of the modernized metric system.

APA Citation

United States. National Bureau of Standards. (1981). Brief history of measurement systems: with a chart of the modernized metric system. Rev. Aug. 1981. [Washington, D.C.?]: U.S. Dept. of Commerce, National Bureau of Standards .

MLA Citation

United States. National Bureau of Standards. Brief History of Measurement Systems: With a Chart of the Modernized Metric System. Rev. Aug. 1981. [Washington, D.C.?]: U.S. Dept. of Commerce, National Bureau of Standards , 1981.