Hartman, J. E. (1967). Directory of United States standardization activities. [U.S. Dept. of Commerce, National Bureau of Standards]; for sale by the Supt. of Docs., U.S. Govt. Print. Off..
MLA CitationHartman, Joan E. Directory of United States Standardization Activities. [U.S. Dept. of Commerce, National Bureau of Standards]; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967.
Warning: These citations have been automatically generated and may not always be 100% accurate..