Methodological Comparison between a Novel Automatic Sampling System for Gas Chromatography versus Photoacoustic Spectroscopy for Measuring Greenhouse Gas Emissions under Field Conditions. - Alexander J. Schmithausen; Manfred Trimborn; Wolfgang Büscher (Sensors, 2016)

Assessment of ammonia sensors and photoacoustic measurement systems using a gas calibration unit. - Naemi von Jasmund; Alexander J. Schmithausen; Manuel S. Krommweh; Manfred Trimborn; Peter Boeker; Wolfgang Büscher (Comput. Electron. Agric., 2022)