GOST R 8.609-2018 State system for ensuring the uniformity of measurements. Certified reference materials of state accounting and control of nuclear materials system. Basic principles
1970GOST R 8.609-2018 State system for ensuring the uniformity of measurements. Certified reference materials of state accounting and control of nuclear materials system. Basic principles
2004GOST R 8.609-2004 State system for ensuring the uniformity of measurements. Certified reference materials of state accounting and control of nuclear materials system. Basic principles