GOST 9012-1959 Metals. Method of Brinell hardness measurement
GOST 9717.1-1982 Copper. Method of spectral analysis of metal standart specimens with photoelectrical registration of spectrum / Note: To be replaced by GOST 31382 (2009).
GOST R 50779.71-1999 Statistical methods. Sampling procedures for inspection by attributes. Part 1. Sampling plans indexed by acceptable quality level (AQL) for lot-by-lot inspection