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Böcker, J. (1991). Discrete-time model of an induction motor. European Transactions on Electrical Power, 1(2), 65–71.
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Noé, R., RODLER, H., EBBERG, A., GAUKEL, G., NOLL, B., WITTMANN, J., &; AURACHER, F. (1991). COMPARISON OF POLARIZATION HANDLING METHODS IN COHERENT OPTICAL-SYSTEMS. JOURNAL OF LIGHTWAVE TECHNOLOGY, 9(10), 1353–1366.https://doi.org/10.1109/50.90934 
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Goser, K., Hilleringmann, U., &; Rückert, U. (1991). Application and implementation of neural networks in microelectronics. In A. Prieto (Ed.), Artificial Neural Networks (pp. 243–259). Springer Berlin Heidelberg.
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Peckhaus, V. (1990). Hilbertprogramm und Kritische Philosophie. Das Göttinger Modell interdisziplinärer Zusammenarbeit zwischen Mathematik und Philosophie (Vol. 7). Göttingen: Vandenhoeck &; Ruprecht.
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Krauter, S., &; Hanitsch, R. (1990). 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).https://doi.org/10.1016/B978-0-08-037539-7.50062-4 
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Haeb-Umbach, R., Rugar, D., Howell, T., &; Coleman, G. P. (1990). Coding and Signal Processing for a Magneto-optic Resonant Bias Coil Overwrite Experiment. In International Conference on Communication, Atlanta.
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Hellebrand, S., Wunderlich, H.-J., &; F. Haberl, O. (1990). Generating Pseudo-Exhaustive Vectors for External Testing. IEEE Design for Testability Workshop, Vail, CO, USA.
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Margaritis, B. (1990). Analyse eines Sperr-Flußkonverters.
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Hellebrand, S., &; Wunderlich, H.-J. (1990). Tools and Devices Supporting the Pseudo-Exhaustive Test. European Design Automation Conference (EDAC’90), 13–17.https://doi.org/10.1109/edac.1990.136612 
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Hellebrand, S., Wunderlich, H.-J., &; F. Haberl, O. (1990). Generating Pseudo-Exhaustive Vectors for External Testing. IEEE International Test Conference (ITC’90), 670–679.https://doi.org/10.1109/test.1990.114082 
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Schmidt, C., Rucker, S. R., Caplan, D., Quinton, M. F., &; Pines, A. (1990). NMR of Oriented Flexible Molecules. In M. Mehring, J. U. von Schütz, &; H. C. Wolf (Eds.), 25th Congress Ampere on Magnetic Resonance and Related Phenomena. Springer Berlin Heidelberg.https://doi.org/10.1007/978-3-642-76072-3 
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EBBERG, A., &; Noé, R. (1990). NOVEL HIGH-PRECISION ALIGNMENT TECHNIQUE FOR POLARIZATION MAINTAINING FIBERS USING A FREQUENCY MODULATED TUNABLE LASER. ELECTRONICS LETTERS, 26(24), 2009–2011.https://doi.org/10.1049/el:19901299 
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Noé, R., ZAH, C., MAEDA, M., CANEAU, C., MENOCAL, S., WAGNER, R., &; LEE, T. (1990). OPTICAL AMPLIFIER WITH 27-DB DYNAMIC-RANGE IN A COHERENT TRANSMISSION-SYSTEM. IEEE PHOTONICS TECHNOLOGY LETTERS, 2(2), 120–121.https://doi.org/10.1109/68.47067 
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Noé, R., ZAH, C., MAEDA, M., CANEAU, C., MENOCAL, S., WAGNER, R., &; LEE, T. (1990). OPTICAL AMPLIFIER WITH 27-DB DYNAMIC-RANGE IN A COHERENT TRANSMISSION-SYSTEM. IEEE PHOTONICS TECHNOLOGY LETTERS, 2(2), 120–121.https://doi.org/10.1109/68.47067 
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Noé, R., RODLER, H., GAUKEL, G., EBBERG, A., &; AURACHER, F. (1990). POLARIZATION-INDEPENDENT AND PATTERN-INDEPENDENT OPTICAL FSK HETERODYNE SYSTEM USING DATA-INDUCED POLARIZATION SWITCHING. ELECTRONICS LETTERS, 26(3), 176–177.https://doi.org/10.1049/el:19900119 
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Noé, R., RODLER, H., GAUKEL, G., NOLL, B., &; EBBERG, A. (1990). HIGH-PERFORMANCE, 2-CHANNEL OPTICAL FSK HETERODYNE SYSTEM WITH POLARIZATION DIVERSITY RECEIVER. ELECTRONICS LETTERS, 26(15), 1109–1110.https://doi.org/10.1049/el:19900717 
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Schlegel-Matthies, K. (1989). Erstellung einer Ton-Dia-Schau zum Einsatz im schulischen Unterricht für den Kreis Lippe zum 40. Jubiläum des Art. 3 Abs. 2 Grundgesetz “Männer und Frauen sind gleichberechtigt.”
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Zimmer, D. (1989). Flankenspielorientierte Einstellung der Hypoid- und Kegelradgetriebe. Universität Stuttgart.
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Haeb-Umbach, R., &; Meyr, H. (1989). A systematic approach to carrier recovery and detection of digitally phase modulated signals on fading channels. IEEE Transactions on Communications.
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