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2. Errata;Davis;J. Res. Nat. Inst. Stand. Technol.,2004
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5. International Recommendation 111—Weights of Classes E1, E2, F1, F2, M1, M1−2, M2, M2−3 and M3, International Organization of Legal Metrology (OIML), Paris, Draft of 12 August 2004.