%0 Journal Article %T Atmospheric NH 3 monitoring by long-path UV absorption spectroscopy %A Edner, Hans %A Rudin, M. %A Svanberg, Sune %J Proceedings of SPIE %V 1269 %N 1 %P 14-20 %@ 0277-786X %D 1990-08-01 %I SPIE %~ DeepDyve