1. Phthalate ester plasticizers--why and how they are used.
2. United States International Trade Commission. Synthetic Organic Chemicals: United States Production and Sales 1977. U.S. Government Printing Office Washington D.C. 1978 USITC Publication No. 920.
3. National Toxicology Program. Technical Report on the Carcinogenesis Bioassay of Di(2-ethylhexyl)phthalate. U.S. Department of Health and Human Services National Institutes of Health National Toxicology Program Research Triangle Park N.C. 1982 DHHS Publication No. (NIH) 80-1768.