1. Fuel Cells-Overview, Encyclopedia of electrochemical Power Sources;Appleby,2009
2. An introduction to Fuel Cells;Williams,1966
3. Review of fuel cell technology. Pt. 1. Operating principle and possibilities;Piela;Przem. Chem.,2006
4. Review of fuel cell technology. Pt. 2. Types of fuel cells;Piela;Przem. Chem.,2006
5. History-Fuel Cells;Kurzweil,2009