Radiometry
Published: 1941
Place of publication: Washington]
Language: eng
Number of pages: 33
Subjects: Bibliography; Radiation
Notes: At head of title: ...U. S. Department of commerce, National bureau of standards, Washington. Letter circular LC-635 (supersedes LC-448) February 19, 1941.

Cover-title: Publications by W. W. Coblentz 1903-1940.

Reproduced from type-written copy.