Characterization of nanoporous TiO2 films prepared by sol-gel methodSabataityte, Julija; Oja, Ilona; Lenzmann, Frank; Volobujeva, Olga; Krunks, MalleComptes rendus chemie2006 / p. 708-712 : ill Characterization of nanoporous TiO2 films prepared by sol-gel methodSabataityte, Julija; Oja, Ilona; Lenzmann, F.; Volobujeva, Olga; Krunks, MalleIPS 15 : 2004 : proceedings2004 / ? p