James P. Randa, Joseph Achkar, Friedrich-Immanuel Buchholz, Thierry Colard, John Rice, Dirk Schubert, M. Sinclair, Gareth L. Williams. International comparison of thermal noise-temperature measurements at 2, 4, and 12 GHz. IEEE T. Instrumentation and Measurement, 48(2):174-177, 1999. [doi]
Abstract is missing.