1. Effect of small doses of alcohol on a skill resembling driving;Drew,1959
2. Trace organic compounds in human expired air;Manolis;Clin. Biochem.,1982
3. The measurement of breath alcohol;Emerson;J. Forens. Sci. Soc.,1980
4. A study of some factors affecting the accuracy of the Breathalyser;Coldwell;J. Forens. Sci.,1963