Besson, Jean P.Schilt, StephaneThévenaz, Luc2008-09-292008-09-292008-09-29200510.1117/12.623666https://infoscience.epfl.ch/handle/20.500.14299/29975WOS:000231443000100Sup-ppb ammonia detection based on photoacoustic spectroscopytext::conference output::conference proceedings::conference paper