Ivanov, K. , Kolentsova, E. , Dimitrov, D. , Petrova, P. , Tabakova, T. (2015). 'Alumina Supported Cu-Mn-Cr Catalysts for CO and VOCs Oxidation'. World Academy of Science, Engineering and Technology, Open Science Index 101, International Journal of Materials and Metallurgical Engineering, 9(5), 651 - 658.