1. ETC, 2003. No small matter II: The case for a global moratorium size matters!. ETC Occasional Paper Series (see report on http://www.etcgroup.org/documents/Occ. Paper_Nanosafety.pdf)
2. European Commission, 2004. Nanotechnology: A preliminary risk analysis on the basis of a preliminary workshop. Brussels, March 1 2, 2004 (see report on europa.eu.int/comm./health/ph_risk/documents/ev_20040301_en.pdf)
3. Greenpeace, 2004. Nanotechnology. Greenpeace (see report on http://www.greenpeace.org.uk)
4. Meridian Institute, 2004. Summary of the International Dialogue for Responsible R&D of Nanotechnology. Sponsored by NSF, Alexandria, Virginia, US. (http://www.nsf.gov/home/crssprgm/nano/dialog.htm)
5. NSET, 2003a. NNI Grand Challenge Workshop: Nanoscale Processes for Environmental Improvement, Arlington, VA, May 8 10, 2003 (see report on the website http://www.nano.gov)