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I. Levin and D. Brandon, Metastable Alumina Polymorphs: Crystal Structures and Transition Sequences, J. Am. Ceram. Soc. 1998, 81(8), 1995
I. Levin, Th. Gemming and D. G. Brandon, Structural Some Metastable Polymorphs and Transient Stages of Transformation in Alumina,         Phys. Stat. Sol. A 1998, 166(1), 197
J. Z¨¢rate, G. Rosas and R. P¨¦rez, Transformations of the Pseudoboehmite to a-Alumina, AZojomo (ISSN 1833-122X) Volume 1 December 2005        (Copyright AD-TECH; licensee AZoM.com Pty Ltd. This is an AZo Open Access Rewards System (AZo-OARS) article distributed under the terms of the AZo¨COARS http://www.azom.com/oars.asp which permits unrestricted use provided the original work is properly cited but is limited to non-commercial distribution and reproduction.)
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