1. L.M. Sherman: Nanocomposites, Plastic Technology, Online Article, Home Page: www.ptonline.com/articles/200705fa.html , pp. 1–2.
2. A. McWilliams: Nanocomposites, Nanoparticles, Nanoclays, and Nanotubes, June 2006, Research Report No. GB- NANO21C, Home Page: www.electronics.ca , accessed June 15, 2007
3. Nanocor Technical, Nanocor Inc., IL
4. Opportunities and Risks of Nanotechnologies, Allianz Report in Cooperation with the OECD International Future Program, C. Lauterwarrer, ed., June 2005, pp. 4 and 10
5. Bentonite, Kaloline, and Selected Clay Minerals (EHC 231, 2005), Home Page: www.inchem.org , accessed July 9, 2007, pp. 12 and 15