D. Petrov, K. Kroschewski, I. Mwammenywa, G. M. Kagarura, and U. Hilleringmann, “Low-Cost NB-IoT Microgrid Power Quality Monitoring System,”10.1109/sensors47087.2021.9639641__2021, doi:10.1109/sensors47087.2021.9639641 .
LibreCat: /record/39927
DOI: 10.1109/sensors47087.2021.9639641

D. Petrov, K. Kroschewski, and U. Hilleringmann, “Microcontroller Firmware Design for Industrial Wireless Sensors,”10.1109/ssi52265.2021.9467010__2021, doi:10.1109/ssi52265.2021.9467010 .
LibreCat: /record/39397
DOI: 10.1109/ssi52265.2021.9467010

J. Reker, T. Meyers, F. F. Vidor, T.-H. Joubert, and U. Hilleringmann, “Influence of electrode metallization on thin-film transistor performance,”10.1109/africon51333.2021.9570953__2021, doi:10.1109/africon51333.2021.9570953 .
LibreCat: /record/39384
DOI: 10.1109/africon51333.2021.9570953

T. Sander et al., “Detection of Defects on Irregular Structured Surfaces by Image Processing Methods for Feature Extraction,”10.1109/icit46573.2021.9453646__2021, doi:10.1109/icit46573.2021.9453646 .
LibreCat: /record/39392
DOI: 10.1109/icit46573.2021.9453646

S. Lange, D. Schroder, C. Hedayat, H. Kuhn, and U. Hilleringmann, “Development of Methods for Coil-Based Localization by Magnetic Fields of Miniaturized Sensor Platforms in Bioprocesses,”10.1109/icit46573.2021.9453609__2021, doi:10.1109/icit46573.2021.9453609 .
LibreCat: /record/39390
DOI: 10.1109/icit46573.2021.9453609

U. Hilleringmann, “ZnO nanoparticle films as active layer for thin film transistors,” in Nanostructured Zinc Oxide, Elsevier, 2021.
LibreCat: /record/39394
DOI: 10.1016/b978-0-12-818900-9.00013-9

J. Reker, T. Meyers, F. F. Vidor, T.-H. Joubert, and U. Hilleringmann, “Complementary Inverter Circuits on Flexible Substrates,”10.1109/ssi52265.2021.9466966__2021, doi:10.1109/ssi52265.2021.9466966 .
LibreCat: /record/39396
DOI: 10.1109/ssi52265.2021.9466966

J. Reker, T. Meyers, F. F. Vidor, T.-H. Joubert, and U. Hilleringmann, “Integration Process for Self-aligned Sub-µm Thin-Film Transistors for Flexible Electronics,”10.1109/fleps51544.2021.9469764__2021, doi:10.1109/fleps51544.2021.9469764 .
LibreCat: /record/39388
DOI: 10.1109/fleps51544.2021.9469764

C. Bürgel, P. Gévaudan, and D. Siepmann, Trans., “Entwicklung einer konstruktionsbasierten französischen Grammatik: ein Arbeitsbericht  zum Adjektiv- und Nominalbandd ,” Tübingen: Stauffenburg, 2021, pp. 219–237.
LibreCat: /record/41288

D. Siepmann and C. Bürgel, Grammatik des gesprochenen und geschriebenen Französisch: Das Nomen, , vol. 2. Amazon, 2021.
LibreCat: /record/41221