1. ASTM, 1997. Standard Test Method for Determination of Formaldehyde and Other Carbonyl Compounds in Air (Active Sampler Methodology). Method D5197-97, American Society for Testing and Materials, West Conshohocken, PA.
2. CARB, 2003. Toxic Air Contaminant Identification List. Up-to-date information available at http://www.arb.ca.gov/toxics/id.htm, Air Quality Measures Branch, California Air Resources Board, Sacramento, CA. Last accessed 13 March 2003.
3. Toxic volatile organic compounds in simulated environmental tobacco smoker;Daisey;Journal of Exposure Analysis and Environmental Epidemiology,1998
4. Use of volatile tracers to determine the contribution of environmental tobacco smoke to concentrations of volatile organic compounds in smoking environments;Hodgson;Environment International,1996
5. Environmental tobacco smoke (ETS);Martin;Environment International,1997