 Comparison of Two Cryogenic Radiometers at NIST by Jeanne M. Houston and others

By Jeanne M. Houston, David J. Livigni.

Publisher: National Institute of Standards and Technology.

Published in Journal of Research of the National Institute of Standards and Technology 106(4), 641–647.

Online text: nvlpubs.nist.gov/nistpubs/jres/106/4/j64hou.pdf

Cited passages: §§2–3, printed pp. 642–643: apparatus, wavelengths, readout and the two substitution protocols; §§3–5, printed pp. 643–646, especially Tables 2–3 and spatial-uniformity checks.