Gutschwager, B*; Theocharous, E; Monte, C*; Adibekyan, A*; Reiniger, M*; Fox, N P; Hollandt, J* (2013) Comparison of the radiation temperature scales of the PTB and the NPL in the temperature range from -57 °C to 50 °C. Meas. Sci. Technol., 24 (6). 065002