Monitoring of gaseous pollutants by tunable diode lasers : proceedings of the international symposium held in Freiburg, F.R.G., 13-14 November 1986, organized by the Fraunhofer Institut für Physikalische Messtechnik (Freiburg) under the auspices of the Bundesministerium für Forschung und Technologie and the Commission on the European Communities / ed. by R. Grisar ... [et al.]
Monitoring of gaseous pollutants by tunable diode lasers : proceedings of the international symposium held in Freiburg, F.R.G., 13-14 November 1986, organized by the Fraunhofer Institut für Physikalische Messtechnik (Freiburg) under the auspices of the Bundesministerium für Forschung und Technologie and the Commission on the European Communities