1. Bradford, L. W., 1958, “Concepts and Standards of Performance in the Technique of Alcohol Analysis of Physiological Specimens”. Proceedings of the Symposium on Alcohol and Road Traffic, Indiana University, Bloomington, Indiana, Dec. 12-14, 1958, p. 62. Published by Indiana University — Dept. of Police Administration. Available from the National Safety Council, Chicago, Illinois.
2. “The Evolution of Modern Instruments for Breath Alcohol Analysis”;Borkenstein;J. Forensic Sciences,1960
3. Forrester G.C., 1950, “Chemical Tests for Alcohol in Traffic Law Enforcement”. Publication No. 50, American Lecture Series, Charles C. Thomas, Springfield Illinois.
4. “Studies in Alcohol, a New Method for the Determination of Breath Alcohol. Description and Examination of the Perchlorate Method for Breath Alcohol Determinations”;Jetter;American J. Clin. Path.,1941
5. “Dehydration Studies Using Anhydrous Magnesium Perchlorate”;Mith,1951