1
Main Authors:
Group Author: ; ;
Published: National Bureau of Standards; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.],
Publication Dates: 1972.
Call Number: TF64-65/Y15/
Group Author: ; ;
Published: National Bureau of Standards; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.],
Publication Dates: 1972.
Call Number: TF64-65/Y15/