1. International Atomic Energy Agency (1999) Hydrogen as an energy carrier and its production by nuclear power. Report IAEA TECDOC-1085. Available at http://www-pub.iaea.org/MTCD/publications/PDF/te_1085_prn.pdf
2. Campbell CJ (2002) World: oil and gas industry-peak oil: an outlook on crude oil depletion. Revised, February 2002, http://www.mbendi.com/indy/oilg/p0070.htm
3. Campbell CJ, Leherrère JH (1998) The End of Cheap Oil. Scientific American, March 1998, 6 pp
4. Duncan RC, Youngquist W (1998) The world petroleum life cycle. PTTC workshop on OPEC oil pricing and independent oil producers. Petroleum Technology Transfer Council, October 1998, http://www.dieoff.com/page133.pdf
5. US DOE. Energy efficiency and renewable energy, hydrogen fuel cell and infrastructure technologies program, multi-year research, development and demonstration plan: planned program activities for 2003–2010, technical plan—hydrogen production, http://www.eere.energy.gov/hydrogenandfuelcells/mypp/pdfs/production.pdf. US DOE hydrogen, fuel cells and infrastructure technologies program review proceedings 2004 and 2005. Available at http://www.eere.energy.gov/hydrogenandfuelcells/2004_annual_review.html and http://www.hydrogen.energy.gov/annual_review05_proceedings.html