1. Automotive fuel cell R&D needs;Gittleman,2010
2. PEMFC fuel cell;Garche,2003
3. Fuel cell small stationary market survey;Geiger;Fuel Cell Today,2003
4. Hydrogen, fuel cells & infrastructure technologies program multi-year research, development and demonstration plan, planned program activities for 2003−2010;EERE,2007
5. Improving the conductivity of sulfonated polyimides as proton exchange membranes by doping of a protic ionic liquid;Chen;Polymers,2014