Fluctuation enhanced gas sensing with WO3-based nanoparticle gas sensors modulated by UV light at selected wavelengths. - Trawka, Maciej; Smulko, Janusz; Hasse, Lech; Granqvist, Claes-Göran; Annanouch, Fatima Ezahra; Ionescu, Radu (Sensors & Actuators B: Chemical, 2016)