standards of time and frequency in the U.S.A.
By: James A. Barnes and G.M.R. Winkler
Contributors: Winkler, G. M. R; Blair, Byron E. 1920-1982.
Series: NBS technical note -- 649
Publisher: U.S. Dept. of Commerce, National Bureau of Standards; For sale by Supt. of Docs., U.S. Govt. Print. Off.
Published: 1974
Place of publication: Washington
Language: eng
Number of pages: 86
Subjects: Time measurements
Notes: "This publication was also published as chapter 11 of Time and frequency: theory and fundamentals [by B.E. Blair], NBS monograph 140."

Includes bibliographical references