Xue, Bin, Tao Sun, and Ji-Kui Wu. 2012. “Simple Fabrication of Anatase-Brookite Mixed-Phase TiO2 Nanoparticles With Visible-Light Responsive Photocatalytic Activity”. Asian Journal of Chemistry 24 (5):2073-76. https://asianpubs.org/index.php/ajchem/article/view/8953.