Mosaic of Anodic Alumina Inherited from Anodizing of Polycrystalline Substrate in Oxalic Acid. - Kushnir, Sergey E.; Kuznetsov, Mikhail E.; Roslyakov, Ilya V.; Lyskov, Nikolay V.; Napolskii, Kirill S. (Nanomaterials (2079-4991), 2022)