TY JOUR TI Interlaboratory Comparisons in the Field of Radiation Control KW proficiency testing KW interlaboratory comparisons KW Russian national accreditation system KW radiation control KW ambient dose equivalent rate KW radon monitoring KW multiparameter JO ANRI AU Makarenko, A.N. AU Didyk, A.V. AU Potapov, R.V. AU Yakovenko, A.A. PY 2020 IS 0 PB Scientific-Production Enterprise “Dosa”