1. Hunter JA, Stacey RW, Hitchcock FA (1949) A mass spectrometer for continuous gas analysis. Rev Sci Instrum 20: 33
2. Fowler KT (1964) A mass spectrometer for the rapid and continuous analysis of gas mixtures in respiratory research. Thesis, London University
3. Salamonsen RF, Robinson GJ (1983) Computer correction of errors in anaesthesia monitoring by respiratory mass spectrometer. Comput Anaesth and Intens Care, Rotterdam
4. Graham JM, Salamonsen RF, Greer W, Kay B, Parkhouse J, Stephenson DK (1979) Errors in mass spectrometer monitoring during anaesthesia. IRCS Med Sci 7: 5543
5. Graham JM, Salamonsen RF, Kay B, Greer W, Parkhouse J, Stephenson DK, Beatty P (1980) Mass spectrometry in anaesthesia: problems in using a mass spectrometer for monitoring anaesthetic gases and vapours. Acta Anaesthesiol Belg 31: 265–278