%0 Journal Article %T Rugged multiwavelength NIR and IR analyzers for industrial process measurements %A Hyvarinen, Timo S. %A Niemela, Pentti %J Proceedings of SPIE %V 1266 %N 1 %P 99-104 %@ 0277-786X %D 1990-08-01 %I SPIE %~ DeepDyve