Title
The visual acuity in viewing scaled objects on television compared with that in direct viewing / by Edward R. Long, Jr., and Sheila Ann T. Long.
Published
Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the Clearinghouse for Federal Scientific and Technical Information, [1969]
Physical Description
1 online resource
Access and use
Unrestricted online access.
Variant and related titles
HathiTrust Digital Library.
Added to Catalog
May 11, 2024