John L. Hall
Forfatter/Opretter:
NIST
Shortlink:
kilde:
størrelse:
200 x 267 Pixel (14933 Bytes)
beskrivelse:
John L. Hall
Licens:
Public domain
Kommentar på licensen:
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Yderligere oplysninger om licens til billedet kan findes her. Sidste ændring: Fri, 19 Aug 2022 16:25:05 GMT
