@inproceedingsvon Neumann_Boeddeker_Kinoshita_Delcroix_Haeb-Umbach_2021, title=Speeding Up Permutation Invariant Training for Source Separation, booktitle=Speech Communication; 14th ITG Conference, author=von Neumann, Thilo and Boeddeker, Christoph and Kinoshita, Keisuke and Delcroix, Marc and Haeb-Umbach, Reinhold, year=2021 

@inproceedingsEbbers_Haeb-Umbach_2021, place=Barcelona, Spain, title=Self-Trained Audio Tagging and Sound Event Detection in Domestic Environments, booktitle=Proceedings of the 6th Detection and Classification of Acoustic Scenes and Events 2021 Workshop (DCA), author=Ebbers, Janek and Haeb-Umbach, Reinhold, year=2021, pages=226–230 

@inproceedingsEbbers_Keyser_Haeb-Umbach_2021, title=Adapting Sound Recognition to A New Environment Via Self-Training, booktitle=Proceedings of the 29th European Signal Processing Conference (EUSIPCO), author=Ebbers, Janek and Keyser, Moritz Curt and Haeb-Umbach, Reinhold, year=2021, pages=1135–1139 

@inbookSchneider_2021, place=Köln , title=Digital transformation in industry, booktitle=Fostering Digitisation and Industry 4.0: Education – Vocation - Industry – Future. New Opportunities and Challenges for European VET. Insights in the DigI-VET Project, author=Schneider, Jennifer Nicole, editor=Beutner, Marc  and Pechuel, Rasmus and Schneider, Jennifer , year=2021, pages=57–62 

@inbookSchneider_2021, place=Köln , title=Teaching and Learning Materials, booktitle=Fostering Digitisation and Industry 4.0: Education – Vocation - Industry – Future. New Opportunities and Challenges for European VET. Insights in the DigI-VET Project, author=Schneider, Jennifer , editor=Beutner, Marc  and Pechuel, Rasmus and Schneider, Jennifer, year=2021, pages=150–165 

@articleRohlfing_Cimiano_Scharlau_Matzner_Buhl_Buschmeier_Esposito_Grimminger_Hammer_Haeb-Umbach_et al._2021, title=Explanation as a Social Practice: Toward a Conceptual Framework for the Social Design of AI Systems, volume=13, DOI=10.1109/tcds.2020.3044366, number=3, journal=IEEE Transactions on Cognitive and Developmental Systems, author=Rohlfing, Katharina J. and Cimiano, Philipp and Scharlau, Ingrid and Matzner, Tobias and Buhl, Heike M. and Buschmeier, Hendrik and Esposito, Elena and Grimminger, Angela and Hammer, Barbara and Haeb-Umbach, Reinhold and et al., year=2021, pages=717–728 

@articleFastlabend-Vargas_2021, place=www.hsozkult.de/publicationreview/id/reb-97453, title=Rezension zu: Dräger, Marco: Denkmäler im Geschichtsunterricht Frankfurt am Main 2021., journal=H-Soz-Kult , author=Fastlabend-Vargas, Daniel, year=2021 

@articleRiepold_Arian_Vasquez_Homberg_Walther_Trächtler_2021, title=Model approaches for closed-loop property control for flow forming, DOI=10.1016/j.aime.2021.100057, number=100057, journal=Advances in Industrial and Manufacturing Engineering, author=Riepold, Markus and Arian, Bahman and Vasquez, Julian Rozo and Homberg, Werner and Walther, Frank and Trächtler, Ansgar, year=2021 

@bookHuybrechts_Scholliers_2021, series=5. Belgientag (10. Mai 2023 in Paderborn), title=“Searching for a Belgian culinary identity - Referat von Prof. Dr. Peter Scholliers” (VIDEO), publisher=BelgienNet, author=Huybrechts, Yves and Scholliers, Peter, year=2021, collection=5. Belgientag (10. Mai 2023 in Paderborn) 

@bookHuybrechts_2021, title=“Der belgische Symbolismus - Interview mit dem Direktor der Alten Nationalgalerie, Dr. Ralph Gleis” (PODCAST), publisher=BelgienNet, author=Huybrechts, Yves, year=2021 

@bookHuybrechts_2021, title=“Gebaute Träume - Wohnkultur in Flandern und Wallonien” (VIDEO), publisher=BelgienNet, author=Huybrechts, Yves, year=2021 

@inbookNeiske_2021, title=Geflippte E-Tutor*innenschulungen, booktitle=Inverted Classroom and beyond 2021 10 Jahre #icmbeyond. Norderstedt, author=Neiske, Iris, editor=Buchner, J. and Freisleben-Teutscher, C. F. and Neiske, I. and Morisse, I., year=2021, pages=140–148 

@articleScharlau_Karsten_Rohlfing_2021, title=Building, emptying out, or dreaming? Action structures and space in undergraduates’ metaphors of academic writing, volume=12, DOI=10.17239/jowr-2021.12.03.01, number=3, journal=Journal of Writing Research, author=Scharlau, Ingrid and Karsten, Andrea and Rohlfing, Katharina, year=2021, pages=493–529 

@articleKrollmann_Schmidt_Spill_2021, title=Grenzüberschreitung und Distanzierung – Geschlechterforschung in universitären Toiletten, DOI=10.17185/GENDER/20210126, journal=blog interdisziplinäre geschlechterforschung, author=Krollmann, Rabea and Schmidt, Rebecca and Spill, Annika, year=2021 

@inproceedingsHohmann_Gschwind_Müller_Nordine_Riesen_2021, title=Das Stellarium Gornergrat, number=2021, booktitle=PhyDid B, author=Hohmann, Sascha and Gschwind, Stéphane and Müller, Andreas and Nordine, Jeffrey and Riesen, Timm-Emanuel, editor=Grötzebauch, Helmuth and Deutsche Physikalische Gesellschaft, year=2021, pages=35–42 

@articleEkström_Frey_Gschwind_Hohmann_Müller_Riesen_Ruffieux_Schlatter_2021, title=Stellarium Gornergrat – A swiss robotic Observatory for Education and Citizen Science, number=63, journal=SPG-Mitteilungen, publisher=Schweizerische Physikalische Gesellschaft, author=Ekström, Sylvia and Frey, Jonas and Gschwind, Stéphane and Hohmann, Sascha and Müller, Andreas and Riesen, Timm-Emanuel and Ruffieux, Simon and Schlatter, Peter, year=2021, pages=36–41 

@bookKißling_2021, title=Kinder- und Jugendliteratur intermedial. Unterrichtsanregungen und -materialien zum literarischen Lernen im Medienverbund anhand von Emil und die Detektive (Gym/Ge) und Jakob der Lügner (BK); erstellt von Masterstudierenden der Universität Paderborn, publisher=Universitätsbibliothek Paderborn 2021, year=2021 

@inproceedingsMoritzer_Hecker_Elsner_Hirsch_2021, title=Investigations for the Optimization of Visual and Geometrical Properties of Arburg Plastic Freeforming Components, DOI=10.26153/tsw/17567, booktitle=Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021), author=Moritzer, Elmar and Hecker, Felix and Elsner, Christian Lennart and Hirsch, André, editor=Bourell, David, year=2021, pages=467–474 

@inproceedingsMoritzer_Hecker_Driediger_Hirsch_2021, title=Comparison of Component Properties and Economic Efficiency of the Arburg Plastic Freeforming and Fused Deposition Modeling, DOI=10.26153/tsw/17577, booktitle=Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021), author=Moritzer, Elmar and Hecker, Felix and Driediger, Christine and Hirsch, André, editor=Bourell, David, year=2021, pages=575–584 

@inproceedingsMoritzer_Hecker_Hirsch_2021, title=Investigation and Modeling of the Residence Time Dependent Material Degradation in the Arburg Plastic Freeforming, DOI=10.26153/tsw/17643, booktitle=Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021), author=Moritzer, Elmar and Hecker, Felix and Hirsch, André, editor=Bourell, David, year=2021, pages=1268–1275