1. Development of nanotechnologies
2. US National Nanotechnology Initiative: www.nano.gov
3. Toxic Potential of Materials at the Nanolevel
4. Nanoscience and Nanotechnologies: Opportunities and Uncertainties. The Royal Society and the Royal Academy of Engineering, London, UK, (2004) (available at www.nanotec.org.uk)
5. ANSI Nanotechnology Standards Panel: www.ansi.org/nsp