WASET
    Krasimir I. Ivanov and  Elitsa N. Kolentsova and  Dimitar Y. Dimitrov,  Alumina Supported Copper-Manganese Catalysts for Combustion of Exhaust Gases: Effect of Preparation Method.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2015, vol. 100(4). 311 - 320
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10001070.