Catalyst poisoning in the conversion of CO and N2O to CO2 and N2 on Pt4- in the gas phase C.-K. Siu, S. J. Reitmeier, I. Balteanu, V. E. Bondybey and M. K. Beyer Eur. Phys. J. D, 43 1-3 (2007) 189-192 Published online: 24 May 2007 DOI: 10.1140/epjd/e2007-00062-4