Standard time throughout the world
Edition: [4th ed.]
Series: United States. National Bureau of Standards. Circular -- 496; National Bureau of Standards circular -- 496
Publisher: U.S. Govt. print. off.
Published: 1950
Place of publication: Washington
Language: eng
Number of pages: 30
Subjects: Time -- Systems and standards
Notes: "Supersedes Circular 406."

"Selected references": p. 29-30