Electroacoustics - Measurement microphones -- Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-2:2009) (english version)
Uncertainty of measurement -- Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) -- Supplement 1: Propagation of distributions using a Monte Carlo method— 98 стр.
Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-3:1995); German version EN 61094-3:1995— 14 стр.