Reply to comment on "Reaction Pathway to the Synthesis of Anatase via the Chemical Modification of Titanium Isopropoxide with Acetic Acid" - Parra, K. [UNESP]; Goes, M. S. [UNESP]; Castro, M. S.; Longo, Elson [UNESP]; Bueno, Paulo Roberto [UNESP]; Varela, José Arana [UNESP] (Amer Chemical Soc, 2008)