1. Progress in the European Hydrogen & Fuel Cell Technology Platform;Barrett;Fuel Cells Bulletin,2005
2. Euro vision for hydrogen energy and fuel cells;Barrett;Fuel Cells Bulletin,2003
3. Towards a European hydrogen energy roadmap. HyNet, Germany, May 2004 (available at www.hynet.info).
4. A European initiative for growth: Investing in networks and knowledge for growth and jobs. European Commission, Final Report, COM(2003)690, November 2003 (available at http://europa.eu.int/eur-lex/lex/LexUriServ/site/en/com/2003/com2003_0690en01.pdf)