Development of porous TiO2 thin films by sol-gel processOja, Ilona; Sabataityte, Julija; Volobujeva, Olga; Krunks, MalleThe Fourth International Conference on Advanced Optical Materials and Devices : (AOMD-4) : Tartu, Estonia, July 6-9, 2004 : abstracts2004 / p. 46