Photometric tests of 21 colored retroreflective samples /

Bibliographic Details
Corporate Author:	United States. National Bureau of Standards
Format:	Government Document Book
Language:	English
Published:	Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, 1955.
Series:	NBS report ; 4343.
Subjects:	Photometry. Retroreflectors > Testing.
Online Access:	https://purl.fdlp.gov/GPO/gpo104534