WASET
Ivanov, K. , Kolentsova, E. , Dimitrov, D. , Petrova, P. , Tabakova, T.. "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 (2015), 9(5), 651 - 658.