Synthesis and Characterization of Vanadium Substituted Potassium Tungsten Bronzes, K&lt;sub&gt;x&lt;/sub&gt;V&lt;sub&gt;y&lt;/sub&gt;W&lt;sub&gt;1-y&lt;/sub&gt;O&lt;sub&gt;3&lt;/sub&gt;
Journal of scientific research