Stationary source emissions - Manual and automatic determination of velocity and volumetric flow in ducts - Part 1: Manual reference method (ISO/DIS 16911-1:2011); German version prEN ISO 16911-1:2011
Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts - Part 1: Manual reference method (ISO 16911-1:2013); German version EN ISO 16911-1:2013— 97 стр.