N. O. Eke, “Diskussionsberichte zu den Sektionen 2 (eRoman“) und 3 (eDramen“) sowie der Abschlußdiskussion des 1. Internationalen Corvey-Symposions,” in Die Fürstliche Bibliothek Corvey. Ihre Bedeutung für eine neue Sicht der Literatur des frühen 19. Jahrhunderts. Beiträge des 1. Internationalen Corvey-Symposions. 25.-27. Oktober 1990 in Paderborn, R. Schöwerling, H. Steinecke, N. O. Eke, and G. Tiggesbäumker, Eds. München, 1992, pp. 1743181, 3193321, 3983404.
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P. Büker and S. Kampe, “Auf den Spuren der alten Stadtmauer: Ein Unterrichtsgang um die Altstadt Paderborns,” in Paderborn - vom Werden und Wachsen unserer Stadt (Materialien, Unterrichtsentwürfe, Arbeitsmittel),  (Paderborner Geographische Studien; Bd.3), D. Düsterloh, Ed. Paderborn: Selbstverlag des Faches Geographie der Universität-GH-Paderborn, 1991, pp. 105–109.
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V. Peckhaus, Ed., Modern Logic 1 (1990/91), H. 2/3 (Winter 1990/91), Special issue commemorating the centenary of the publication of the first volume of Ernst Schröder’s Vorlesungen über die Algebra der Logik, vol. H. 2/3. 1991.
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V. Peckhaus, “Introduction,” Modern Logic, vol. 1, no. 2/3, pp. 113–116, 1991.
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E.-M. Seng, “Im Geiste der Erbauer, Die Renovierung der Tübinger Stiftskirche 1859 - 1867,” in Tübinger Blätter, 77. Jg. Tübingen 1990/91, Bürger- und Verkehrsverein Tübingen e.V. , Ed. Tübingen, 1991, pp. 11–16.
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N. O. Eke, “Die deutschsprachige Literatur Osteuropas und ihre Rezeption in der Bundesrepublik. Probleme und Chancen einer ‘kleinen Literatur,’” Deutsche Studien 29, vol. 29, no. H. 113, pp. 30–50, 1991.
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G. Domik, “The role of visualization in understanding data,” in New Results and New Trends in Computer Science, 1991, pp. 91–107.
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S. Krauter, R. Hanitsch, and P. Strauss, “Simulation-Program for Selecting Efficiency Improving Strategies of PV-Module-Encapsulations under Operating Conditions,” in Proceedings of “Renewable Energy Sources ”, Prag (CFSR), 1.–4. Juli 1991, Band 3, S. 48–53., Prag (CFSR), 1991.
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P. Stelter and W. Sextro, “Bifurcations in Dynamic Systems with Dry Friction,” in Bifurcation and Chaos: Analysis, Algorithms, Applications, vol. 97, R. Seydel, F. W. Schneider, T. Küpper, and H. Troger, Eds. Birkhäuser Basel, 1991, pp. 343–347.
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DOI: 10.1007/978-3-0348-7004-7_44

G. Domik and K. Mickus, “Visualization in the Analysis Cycle of Observational Data, in Analyzing and Modeling Data and Knowledge,” in Proceedings of the 15th Annual Conference of the “Gesellschaft für Klassifikation e.V.” University of Salzburg, Salzburg, 1991, pp. 267–276.
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R. Haeb-Umbach and H. Ney, “A Look-Ahead Technique for Large Vocabulary Continuous Speech Recognition,” in EUROSPEECH, Genova, 1991.
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S. Hellebrand, Synthese vollständig testbarer Schaltungen. Verlag Düsseldorf: VDI Verlag: Verlag Düsseldorf: VDI Verlag, 1991.
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V. Peckhaus, “Ernst Schröder und die ,pasigraphischen Systeme‘ von Peano und Peirce,” Modern Logic, vol. 1, no. 2/3, pp. 174–205, 1991.
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J. Böcker and J. Janning, “Discrete-Time Flux Observer for PWM Inverter-Fed Induction Motors,” in EPE’91, Florence, 1991, Florence, Italy, 1991, vol. 2, pp. 171–176.
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J. Böcker, “Discrete-time model of an induction motor,” European transactions on electrical power, vol. 1, no. 2, pp. 65–71, 1991.
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V. Peckhaus, “Logic in Transition: The Logical Calculi of Hilbert (1905) and Zermelo (1908) [Abstract],” in Abstracts of the 9th International Congress of Logic, Methodology and Philosophy of Science, Uppsala, August 7–14, 1991, Bd. 2: General Philosophy of Science. Sections 6–9, 1991, p. 158.
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R. Noé et al., “COMPARISON OF POLARIZATION HANDLING METHODS IN COHERENT OPTICAL-SYSTEMS,”10.1109/50.90934__JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 9, no. 10, pp. 1353–1366, 1991, doi:10.1109/50.90934 .
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DOI: 10.1109/50.90934

K. Goser, U. Hilleringmann, and U. Rückert, “Application and implementation of neural networks in microelectronics,” in Artificial Neural Networks, 1991, pp. 243–259.
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V. Peckhaus, Hilbertprogramm und Kritische Philosophie. Das Göttinger Modell interdisziplinärer Zusammenarbeit zwischen Mathematik und Philosophie, vol. 7. Göttingen: Vandenhoeck &; Ruprecht, 1990.
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S. Krauter and R. Hanitsch, “The Influence of the Capsulation on the Efficiency of PV-Modules.,” in Proceedings of the 1st World Renewable Energy Congress, Reading (UK), 23.–28. September 1990, Band 1, S. 141–144., Reading (UK), 1990.
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DOI: 10.1016/B978-0-08-037539-7.50062-4