GOST 8.026-1979 State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring quantity of heat
1996GOST 8.026-1996 State system for ensuring the uniformity of measurements. State verification schedule for means measuring energy of combustion and specific energy of combustion (combustion calorimeters)
1979GOST 8.026-1979 State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring quantity of heat