1. GOST R ISO 11648-1-2009, Statistical Methods. Selective Control of Non-Piece Products. Part 1. General Principles.
2. GOST R ISO 11648-2-2009, Statistical Methods. Selective Control of Non-Piece Products. Part 2. Selection of Bulk Materials.
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4. D. F. Gatz and L. Smith, “The standard error of a weighted mean concentration-I. Bootstrapping vs other methods,” Atmosph. Envir., No. 29, 1185–1193 (1995).
5. V. S. Korolyuk (ed.), Handbook on the Theory of Probability and Mathematical Statistics, Nauka, Moscow (1985).