Synthesis, characterization and catalytic properties of the 'WO IND.3'.AIO(OH).n'H IND.2'O xerogel composite - Bolsoni, Aline T.; Jesus, Priscila C. C.; Santos, Joicy S. dos; Assis, Marilda das Dores; Oliveira, Herenilton Paulino (International Sol-Gel Conference, 2011)