1. Merck Index, 10th Ed., 6367 (1983).
2. Dangerous Properties of Industrial Chemicals, 6th Ed. 1997 (1984).
3. and Cincinnati Milacron Chemicals, Inc., unpublished results (1976).
4. Documentation of TLV and BEI, 5th Ed., ACGIH, Supplement 3 (1988).
5. Centraal Institut voor Voedingsonderzock (CIVO), Zeist, Netherlands, Report Nos. 06236/76 and 07822A.75 (1976).