(1)
Abdullah, A. M.; Debnath, T.; RĂ¼scher, C. H.; Hussain, A. Synthesis and Characterization of Vanadium Substituted Potassium Tungsten Bronzes, K<sub>x</sub>V<sub>y</sub>W<sub>1-y</sub>O<sub>3</Sub>. J. Sci. Res. 2012, 4, 507.