1. 1986. Threshold Limit Values and Biological Exposure Indices for 1986–87. American Conference of Governmental Industrial Hygienists. 1986, Cincinnati, OH.
2. Skin Absorption: A Potential Contributing Factor to the BEI
3. Dutkiewicz, T. Proceedings: Thirteenth International Congress on Occupational Health. pp.681–686. New York: Book Craftsmen Assoc.