1. European Commission
http://ec.europa.eu/environment/chemicals/nanotech/faq/definition_en.htm
2. Luxresearch
https://portal.luxresearchinc.com/research/report_excerpt/16215
3. The Global Market for Carbon Nanotubes to 2015
http://www.nanoposts.com/indx.php?mod=nanotube
4. New Developments in Liposomal Drug Delivery
5. Nanotechnology
http://www.nanotechproject.org/cpi/