1. T. R. Panteleeva and V. G. Chuiko, Precision Energy and Power Comparators in Standards of Electromagnetic Radiation Intensity. Review [in Russian], 2nd ed., VNIIKI, Moscow (1983).
2. Yu. I. Bregadze et al., Izmer. Tekh., No. 7, 60 (1967).
3. M. Sucher and H. J. Carlin, Proc. IRE,40, No. 9, 1042 (1952).
4. A. A. Belokon' and D. M. Shcherbina, Prib. Tekh. Éksp., No. 5, 81 (1976).
5. G. F. Engen, J. Res. NBS,63C, No. 1, 77 (1958).