1. Haber LT, Dollarhide JS, Maier A, Dourson ML (2001) Noncancer risk assessment: Principals and practice in environmental and occupational settings. In: Bingham E, Cohrssen B, Powell CH (eds.) Patty's Toxicology, fifth edition, John Wiley & Sons, Inc. 1: 169–232.
2. Maier A (2005) Occupational Exposure Limits. In: Philip Wexler, Editor-in-Chief, Encyclopedia of Toxicology, Elsevier, New York, 279–280.
3. Occupational exposure limits for therapeutic substances;Agius;Ann. Occup. Hyg.,1989
4. Odor thresholds for chemicals with established occu-pational health standards,1989
5. Odor as an aid to chemical safety: odor thresholds compared with threshold limit values and volatilities for 214 industrial chemicals in air and water dilution;Amoore;J. Appl. Toxicol.,1983