German standard methods for the examination of water, waste water and sludge - Gaseous components (group G) - Part 3: Determination of ozone (G 3)— 22 стр.
German standard methods for the examination of water, waste water and sludge; general information (group A); calibration of analytical methods, evaluation of analytical results and linear calibration functions used to determine the performance characteristics of analytical methods (A 51)— 16 стр.
