1
Corporate Authors:
Group Author: ;
Published: Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off.,
Publication Dates: 1978.
Call Number: O212-53/S989/1977/
;
Group Author: ;
Published: Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off.,
Publication Dates: 1978.
Call Number: O212-53/S989/1977/