Sensitivity Comparison of Vapor Trace Detection of Explosives Based on Chemo-Mechanical Sensing with Optical DetectionandCapacitive Sensing with Electronic Detection. - Drago Strle; Bogdan Stefane; Erik Zupanic; Mario Trifkovic; Marijan Macek; Gregor Jaksa; Ivan Kvasic; Igor Musevic (Sensors, 2014)