General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2017); German and English version EN ISO/IEC 17025:2017— 65 стр.
Representation of results of particle size analysis - Part 2: Calculation of average particle sizes/diameters and moments from particle size distributions (ISO 9276-2:2001)— 15 стр.
Representation of results of particle size analysis - Part 2: Calculation of average particle sizes/diameters and moments from particle size distributions (ISO 9276-2:2014)— 34 стр.