Kruse, Stephan, Christian Kress, Christoph Scheytt, Heiko G. Kurz, and Thomas Schneider. “Analysis and Simulation of a Wireless Phased Array System with Optical Carrier Distribution and an Optical IQ Return Path.” In GeMiC 2020 - German Microwave Conference. Cottbus, Germany, 2020.

Atorf, Bernhard, Holger Mühlenbernd, Thomas Zentgraf, and Heinz-Siegfried Kitzerow. “All-Optical Switching of a Dye-Doped Liquid Crystal Plasmonic Metasurface.”https://doi.org/10.1364/oe.383877__Optics Express 28, no. 6 (2020): 8898–8908.https://doi.org/10.1364/oe.383877 .

Scheytt, Christoph, Dominik Wrana, Meysam Bahmanian, and Ingmar Kallfass. “Ultra-Low Phase Noise Frequency Synthesis for THz Communications Using Optoelectronic PLLs.”https://doi.org/10.1109/IWMTS49292.2020.9166347__In 2020 Third International Workshop on Mobile Terahertz Systems (IWMTS), 2020.https://doi.org/10.1109/IWMTS49292.2020.9166347 .

Lankeit, Elisa, and Rolf Biehler. “‘I Only Know the Absolute Value Function’–About Students’ Concept Images and Example Spaces Concerning Continuity and Differentiability.” In Proceedings of the Third Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2020, 12-19 September 2020), edited by T. Hausberger, M. Bosch, and F. Chelloughi. Bizerte, Tunisia: University of Carthage and INDRUM, 2020.

Lankeit, Elisa, T. Bauer, and Rolf Biehler. “Votingfragen in den Übungen zur Analysis – Wirkung verschiedener Einsatzszenarien.”https://doi.org/10.17877/DE290R-21396__In Beiträge zum Mathematikunterricht 2020, edited by H.-S. Siller, W. Weigel, and J. F. Wörler, 1361–64. Münster: WTM-Verlag, 2020.https://doi.org/10.17877/DE290R-21396 .

Caruso, Carina. “Praxissemester .” In  Das wissenschaftlich-religionspädagogische Lexikon im Internet, edited by Mirjam Zimmermann and Heike Lindler, 2020.

Caruso, Carina. “Der Weg zur Theologie-Professur ist hart – gerade für Religionslehrer!” katholisch.de, Kolumne eMein Religionsunterricht“. , 2020.

Schwabl, Franziska. Inszenierungen Im Digitalen Bild. Eine Rekonstruktion Der Selfie-Praktiken Jugendlicher Mittels Der Dokumentarischen Bildinterpretation. Eusl-Verlagsgesellschaft mbH, 2020.

Schwabl, Franziska. “Fotografien Als Zugang Zur Lebenswelt Jugendlicher. Eine Analyse Der Digitalen Inszenierungspraktiken Jugendlicher Im Berufsschulischen Übergangssystem.” Bwp@Berufs-Und Wirtschaftspädagogik – Online 38 (2020): 1–24.

Lünne, Steffen, Susanne Schnell, and Rolf Biehler. “Motivation of Out-of-Field Teachers for Participating in Professional Development Courses in Mathematics.”https://doi.org/10.1080/02619768.2020.1793950__European Journal of Teacher Education 44, no. 5 (2020): 688–705.https://doi.org/10.1080/02619768.2020.1793950 .

Barzel, Bärbel, and Rolf Biehler. “Theory-Based Design of Professional Development for Upper Secondary Teachers–Focusing on the Content-Specific Use of Digital Tools.” In Professional Development and Knowledge of Mathematics Teachers, edited by Stefan Zehetmeier, Despina Potari, and Miguel Ribeiro, 163–192. London: Routledge, 2020.

Biehler, Rolf, and Viviane Durand-Guerrier. “University Mathematics Didactic Research on Number Theory, Algebra, Discrete Mathematics, Logic.” In Proceedings of the Third Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2020, 12-19 September 2020), edited by T. Hausberger, M. Bosch, and F. Chelloughi. Bizerte, Tunisia: University of Carthage and INDRUM, 2020.

Budde, Lea, Daniel Frischemeier, Rolf Biehler, Yannik Fleischer, Dietrich Gerstenberger, Susanne Podworny, and Carsten Schulte. “Data Science Education in Secondary School: How to Develop Statistical Reasoning When Exploring Data Using CODAP.” In New Skills in the Changing World of Statistics Education: Proceedings of the Roundtable Conference of the International Association for Statistical Education (IASE), July 2020, edited by P. Arnold. Voorborg, The Netherlands: ISI/IASE, 2020.

Biehler, Rolf, Leander Kempen, and Walther Paravicini. “Hochschuldidaktik Mathematik: Fachbezogenes Design und empirische Studien.”https://doi.org/10.17877/DE290R-21487__In Beiträge zum Mathematikunterricht 2020, edited by H.-S. Siller, W. Weigel, and J. F. Wörler, 1347–48. Münster: WTM-Verlag, 2020.https://doi.org/10.17877/DE290R-21487 .

Feudel, Frank, and Rolf Biehler. “Students’ Understanding of the Derivative Concept in the Context of Mathematics for Economics.”https://doi.org/10.1007/s13138-020-00174-z__Journal Für Mathematik-Didaktik 42, no. 1 (2020): 273–305.https://doi.org/10.1007/s13138-020-00174-z .

Fleischer, Yannik, and Rolf Biehler. “Automatisierte Entscheidungsverfahren als Thema im allgemeinbildenden Mathematikunterricht.”https://doi.org/10.17877/DE290R-21301__In Beiträge zum Mathematikunterricht 2020, edited by H.-S. Siller, W. Weigel, and J. F. Wörler. Münster: WTM-Verlag, 2020.https://doi.org/10.17877/DE290R-21301 .

Griese, Birgit, Ralf Nieszporek, and Rolf Biehler. “Frei verfügbare Materialien für Unterricht und Fortbildung: Stochastik verständnisorientiert unterrichten.” Stochastik in der Schule 40, no. 1 (2020): 10–17.

Kempen, Leander, and Rolf Biehler. “Using Figurate Numbers in Elementary Number Theory – Discussing a ‘Useful’ Heuristic From the Perspectives of Semiotics and Cognitive Psychology.”https://doi.org/10.3389/fpsyg.2020.01180__Frontiers in Psychology 11 (2020): 1180.https://doi.org/10.3389/fpsyg.2020.01180 .

Kempen, Leander, Sandra Krämer, and Rolf Biehler. “Investigating High School Graduates’ Personal Meaning of the Notion of ‘Mathematical Proof.’” In Proceedings of the Third Conference of the International Network for Didactic Research in University Mathematics (INDRUM 2020, 12-19 September 2020), edited by T. Hausberger, M. Bosch, and F. Chelloughi, 358–67. Bizerte, Tunisia: University of Carthage and INDRUM, 2020.

Kempen, Leander, Sandra Krämer, and Rolf Biehler. “Was verstehen Schülerinnen und Schüler unter eBeweis“? 3 ausgewählte Ergebnisse einer Pilotstudie.”https://doi.org/10.17877/DE290R-21418__In Beiträge zum Mathematikunterricht 2020, edited by H.-S. Siller, W. Weigel, and J. F. Wörler, 489392. Münster: WTM-Verlag, 2020.https://doi.org/10.17877/DE290R-21418 .