Dias, P.C.; Cadavid, D.; Ortega, S.; Ruiz, A.; França, M.B.M.; Morais, F.J.O.; Ferreira ,E.C.; Cabot, A. "Autonomous soil moisture sensor based on nanostructured thermosensitive resistors powered by an integrated thermoelectric generator" Sensors and Actuators A: Physical 239, pp. 1 - 7. 2016 DOI: 10.1016/j.sna.2016.01.022