Lebedeva, I.I., et al. “DEVELOPMENT OF A HIGHLY ACTIVE PHOTOCATALYST BASED ON MESOPOROUS TITANIUM DIOXIDE DOPED WITH ALUMINIUM OXIDE”. Perm Federal Research Centre Journal, no. 2, Oct. 2015, pp. 49-53, https://journal.permsc.ru/index.php/pscj/article/view/PSCJ2015n2p8.