Environmental Sensing and Applications Carleer, Michel ; Hilton, Moira ; Lamp, Torsten ; Reuter, Rainer ; Russwurm, George M. ; Schaefer, Klaus ; Weber, Konradin ; Weitkamp, Klaus ; Wolf, Jean-Pierre ; Woppowa, Ljuba Abstract Publication: Environmental Sensing and Applications Pub Date: September 1999 Bibcode: 1999SPIE.3821.....C