1. Catalytic treatment of nitric acid plant tail gas;Andersen;Ind. Engng Chem. ind. (int.) Edn,1961
2. Catalytic reduction of nitric oxide by carbon monoxide;Ayen;Air & Wat. Pollut. Int. J.,1966
3. Catalytic reduction of nitric oxide;Ayen,1962
4. Catalytic reduction of nitrogen oxides in automobile exhaust;Baker;J. Air Pollut. Control Ass.,1964
5. Catalysed nitric oxide reduction with carbon monoxide;Baker,1965