Gelman, J.L. (2005) National Gypsum Asbestos Bankruptcy Claims Settlement Announced Jon L. Gelman, Attorney at Law, Wayne, NJ, http://www.gelmans.com/FrontEnd/ReadingRoom/vwArticle.asp?ArticleId=494&PracticeAreaId=3, pageWeb visitée le 2006-02-08
LBB (2005) Manufacturers/suppliers & products. Landye, Bennet, Blumstein LLP Attorneys, Portland, OR, http://www.asbestosoregon.com/pages/manufacturers.html#products, page Web visitée le 2005-11-08