1. J. Roach, 9,000-year-old beer re-created from Chinese recipe. National Geographic News (2005).
2. R.J. Forbes. A short history of the art of distillation. Brill. p. 89. ISBN 978-9004006171 (1948).
3. New York State Legislature. http://public.leginfo.state.ny.us/navigate.cgi.
4. United States Department of Transportation. https://www.transportation.gov/mission/health/alcohol-impaired-fatalities.
5. “Breathalyzer”. US Patent & Trademark Office. May 13, 1958.