1. A New Approach to the Problem of Carbon Monoxide Poisoning in Fuel Cells Operating at Low Temperatures
2. C. Plog, German Patent 650 922 A1 (1994).
3. D.P. Wilkinson, H.H. Voss, K.B. Prater, G.A. Hards, I.R. Ralph, D. Thompsett, EU Patent EP0736921A1 (1996).
4. Materials and Approaches for CO and CO2 Tolerance for Polymer Electrolyte Membrane Fuel Cells;Wilkinson,1997