Quartz-Enhanced Photoacoustic Sensor Based on a Multi-Laser Source for In-Sequence Detection of NO2, SO2, and NH3. - Pietro Patimisco; Nicoletta Ardito; Edoardo De Toma; Dominik Burghart; Vladislav Tigaev; Mikhail A. Belkin; Vincenzo Spagnolo (Sensors, 2023)