Hoffmann, M.W.G.; Casals, O.; Gad, A.E.; Mayrhofer, L.; Fabrega, C.; Caccamo, L.; Hernandez-Ramirez, F.; Lilienkamp, G.; Daum, W.; Moseler, M.; Shen, H.; Waag, A.; Prades, J.D. "Novel approaches towards highly selective self-powered gas sensors" Procedia Engineering 120, pp. 623 - 627. 2015 DOI: 10.1016/j.proeng.2015.08.752