The microcalorimeter as a national microwave power standard. - Richard F. Clark (Proc. IEEE, 1986)

Evaluation of low-frequency AC-DC difference of coaxially mounted thermal voltage converter. - Piotr S. Filipski; Richard F. Clark; David C. Paulusse (IEEE Trans. Instrum. Meas., 1998)

International comparison of power measurements at 33 GHz (GT-RF/92-4). - Joseph Achkar; Laurent Velasco; M. P. Weidman; Richard F. Clark; Jeong-Hwan Kim; Jeong-Il Park; Tieren Zhang; John E. Peters; Jürgen Rühaak; Dieter Stumpe; Jan P. M. de Vreede; A. M. Wallace (IEEE Trans. Instrum. Meas., 1999)

Calorimetric thermal voltage converter as a wideband calculable standard of AC-DC difference. - Piotr S. Filipski; Richard F. Clark; David C. Paulusse (IEEE Trans. Instrum. Meas., 1999)

Measurement techniques and results of an intercomparison for RF power in a 3.5 mm coaxial line up to 26 GHz. - Dieter Janik; John T. Ascroft; Richard F. Clark (IEEE Trans. Instrum. Meas., 1999)

Calibration of HF thermal voltage converters using an asymmetrical tee. - Piotr S. Filipski; Richard F. Clark; David C. Paulusse (IEEE Trans. Instrum. Meas., 2001)