Auge, J.; Wöckel, S.; Hempel, U. (2011). Enhanced signal analysis for clamp-on ultraso­nic applications with complex multimodal wave propagation, EuroPACT 2011 – 2nd European Conference on Process Analytics and Control Technology, 26.-29.04.2011, Glasgow/UK

Auge, J.; Wessely, B.; Weser, R.; Wöckel, S.; Hempel, U. (2013). Particle characterization in highly concentrated suspensions by ultrasound scattering method, 26th European Conference on Solid-State Transducers - Eurosensor 2012, Sensors and Actuators A: Physical, 09.-12.09.2012 , vols. 202:30–36. doi:http://dx.doi.org/10.1016/j.sna.2013.02.027

Wessely, B.; Weser, R.; Wöckel, S.; Hempel, U. (2013). Particle characterisation in highly concentrated dispersions using ultrasonic backscattering method, Ultrasonics, vols. 53 (3):706–716. doi:http://dx.doi.org/10.1016/j.ultras.2012.10.013

Wessely, B.; Weser, R.; Wöckel, S.; Hempel, U. (2013). Partikelcharakterisierung in hochkonzentrierten Dispersionen – Grundlegende Untersuchungen zu einer neuen Ultraschallmethode, Chemie Ingenieur Technik, vols. 85 (5):753–757. doi:10.1002/cite.201200067

Auge, J.; Wessely, B.; Weser, R.; Wöckel, S.; Hempel, U. (2012). Inline-Partikelmessung an hochkonzentrierten Suspensionen, tm – Technisches Messen., vols. 79 (12):527–530. doi:10.1524/teme.2012.0277

Auge, J.; Wöckel, S.; Hempel, U. (2011). Acousto-capacitive tomography of liquid multiphase systems, Sensors and Actuators A: Physical, vols. 172 (1):322–329. doi:10.1016/j.sna.2011.04.010

Hempel, U.; Holstein, P. (2012). Impulse für die Ultraschalltechnik in Mitteldeutschland, Mitteldeutsche Mitteilungen, vols. 21 (2):38

Zubtsov, M.; Henning, B.; Lucklum, R.; Hempel, U.; Ke, M.; Oseev, A.; Grundmann, R. (2012). 2D Phononic Crystal Sensor with Normal Incidence of Sound, Sensors and Actuators A: Physical, vols. 186:118–124. doi:http://dx.doi.org/10.1016/j.sna.2012.03.017