1. California Institute of Technology, http://www.its.caltech.edu/~feynman/plenty.html
2. Taniguchi N. On the basic concept of nanotechnology. Proceedings International Conference on Production Engineering. Tokyo, JSPE. Part II, Japan Society of Precision Engineering, 1974: 18–23.
3. Quantum Sphere, http://www.qsinano.com/news/hitech-pr-2006_03_01.html Opportunities and risks of Nanotechnologies, Report in co-operation with the OECD International Futures Programme, http://www.oecd.org/dataoecd/4/38/35081968.
4. Foresight.org News release, Nobel winner Smalley responds to Drexler’s challenge, http://www.nanotechwire.com/news.asp?nid=550
5. Energy and Nanotechnology: Strategy for the future, Conference Report February 2005 http://www.rice.edu/energy/publications/energynanotechnology.html