1. Nanoscience and nanotechnologies: opportunities and uncertainties, The Royal Society and The Royal Academy of Engineering, London, UK, 2004 (also available at www.nanotec.org.uk)
2. Not-so-new technology
3. Helical microtubules of graphitic carbon
4. Román C., et-al. Nanotubes, Cientifica (2004) www.cientifica.com/html/docs/Nanotubes%202004_ExSum.pdf