Petrov, D., Kroschewski, K., Mwammenywa, I., Kagarura, G. M., &; Hilleringmann, U. (2021). Low-Cost NB-IoT Microgrid Power Quality Monitoring System. 2021 IEEE Sensors.https://doi.org/10.1109/sensors47087.2021.9639641 

Petrov, D., Kroschewski, K., &; Hilleringmann, U. (2021). Microcontroller Firmware Design for Industrial Wireless Sensors. 2021 Smart Systems Integration (SSI).https://doi.org/10.1109/ssi52265.2021.9467010 

Reker, J., Meyers, T., Vidor, F. F., Joubert, T.-H., &; Hilleringmann, U. (2021). Influence of electrode metallization on thin-film transistor performance. 2021 IEEE AFRICON.https://doi.org/10.1109/africon51333.2021.9570953 

Sander, T., Lange, S., Hilleringmann, U., Geneis, V., Hedayat, C., Kuhn, H., &; Gockel, F.-B. (2021). Detection of Defects on Irregular Structured Surfaces by Image Processing Methods for Feature Extraction. 2021 22nd IEEE International Conference on Industrial Technology (ICIT).https://doi.org/10.1109/icit46573.2021.9453646 

Lange, S., Schroder, D., Hedayat, C., Kuhn, H., &; Hilleringmann, U. (2021). Development of Methods for Coil-Based Localization by Magnetic Fields of Miniaturized Sensor Platforms in Bioprocesses. 2021 22nd IEEE International Conference on Industrial Technology (ICIT).https://doi.org/10.1109/icit46573.2021.9453609 

Hilleringmann, U. (2021). ZnO nanoparticle films as active layer for thin film transistors. In Nanostructured Zinc Oxide. Elsevier.https://doi.org/10.1016/b978-0-12-818900-9.00013-9 

Reker, J., Meyers, T., Vidor, F. F., Joubert, T.-H., &; Hilleringmann, U. (2021). Complementary Inverter Circuits on Flexible Substrates. 2021 Smart Systems Integration (SSI).https://doi.org/10.1109/ssi52265.2021.9466966 

Reker, J., Meyers, T., Vidor, F. F., Joubert, T.-H., &; Hilleringmann, U. (2021). Integration Process for Self-aligned Sub-µm Thin-Film Transistors for Flexible Electronics. 2021 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS).https://doi.org/10.1109/fleps51544.2021.9469764 

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Siepmann, D., &; Bürgel, C. (2021). Grammatik des gesprochenen und geschriebenen Französisch: Das Nomen,  (Vol. 2). Amazon.