1. Explosion hazards of optical fibres in combustible environments;Hills;Proc. 7th Optical Fibre Sensors Conf., Sydney, Australia,1990
2. Safety of Optical systems in flammable atmospheres;Ludlam;Report for Optical Sensors Collaborative Association, UK,1989
3. A fibre optic gas detection system;Hordvik;Proc. 9th European Conf. Optical Commun., Geneva, Switzerland,1983
4. Remote monitoring of NO2 molecules by differential absoprtion using optical fibre link;Kobayashi;Appl. Opt.,1981
5. Cross-correlating spectrometer;Goody;J. Opt. Soc. Am.,1968