1. USSR State Standard GOST 8.538-85. GSI: Government Special Reference Standard and Official Verification Procedure for Devices Measuring a Flux of Pulsed Optical Radiation in Wavelength Range 0.5?1.6 ?m.
2. USSR State Standard GOST 8.273-78. GSI: Government Special Reference Standard and National Verification Procedure for Devices Measuring Light Fluxes of 1·10?6 to 10?2 W in Wave Range 0.4?1.4 ?m.
3. V. Ya. Koval'skii and L. S. Lovinskii, Izmer. Tekh., No. 2, 22 (1991).
4. V. E. Belonogov, L. S. Lovinskii, et al., Izmer. Tekh., No. 8, 26 (1986).
5. S. G. Guminetskii, L. S. Lovinskii, et al., OMP, No. 2, 19 (1990).