TY - JOUR T1 - Effect of tungsten doping on catalytic properties of niobium oxide JO - Journal of the Brazilian Chemical Society A1 - Cardoso, Franciane P. A1 - Nogueira, Andre E. A1 - PatrĂ­cio, PatrĂ­cia S. O. A1 - Oliveira, Luiz C. A. SN - 0103-5053 UL - 10.1590/S0103-50532012000400016 VL - 23 Y1 - 2012 PB - Brasil ER -