1. Recent improvements in the design and operation of a differential optical absorption spectrometer for in situ measurement of gaseous air pollutants (paper 90-87.2);Biermann,1990
2. Air quality monitoring in Atlanta with the differential optical absorption spectrometer (paper 91-68.9);Conner,1991
3. Differential optical absorption spectrometry system used for atmospheric mercury monitoring;Edner;Appl. Opt.,1986
4. Environmental control using long path measurements;Karlsson,1990
5. Detection of nitrous acid in the atmosphere by differential optical absorption;Platt;Geophys. Res. Lett.,1979