1. Contact Angle Hysteresis
2. Applications of proton exchange membrane fuel cell systems
3. V. Lightner, Department of Energy Hydrogen Program Record, Fuel Cell Stack Durability, 2006.
4. N. Garland, J. Marcinkoski, Department of Energy Hydrogen Program Record, Fuel Cell System Cost, 2008.
5. Handbook of Fuel Cells – Fundamentals, Technology and Applications, vol. 3;Mathias,2003