Noé, Reinhold, H HEIDRICH, and D HOFFMANN. “ENDLESS POLARIZATION CONTROL-SYSTEMS FOR COHERENT OPTICS.”https://doi.org/10.1109/50.4117__JOURNAL OF LIGHTWAVE TECHNOLOGY 6, no. 7 (1988): 1199–1208.https://doi.org/10.1109/50.4117 .
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DOI: 10.1109/50.4117

Noé, Reinhold, and DA SMITH. “INTEGRATED-OPTIC ROTATING WAVEPLATE FREQUENCY SHIFTER.”https://doi.org/10.1049/el:19880917__ELECTRONICS LETTERS 24, no. 21 (1988): 1348–49.https://doi.org/10.1049/el:19880917 .
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Noé, Reinhold, WB SESSA, R WELTER, and LG KAZOVSKY. “NEW FSK PHASE-DIVERSITY RECEIVER IN A 150 MBIT/S COHERENT OPTICAL-TRANSMISSION SYSTEM.”https://doi.org/10.1049/el:19880386__ELECTRONICS LETTERS 24, no. 9 (1988): 567–68.https://doi.org/10.1049/el:19880386 .
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Noé, Reinhold, H HEIDRICH, and D HOFFMANN. “ENDLESS POLARIZATION CONTROL-SYSTEMS FOR COHERENT OPTICS.”https://doi.org/10.1109/50.4117__JOURNAL OF LIGHTWAVE TECHNOLOGY 6, no. 7 (1988): 1199–1208.https://doi.org/10.1109/50.4117 .
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Noé, Reinhold, H HEIDRICH, and D HOFFMANN. “AUTOMATIC ENDLESS POLARIZATION CONTROL WITH INTEGRATED-OPTICAL TI-LINBO3 POLARIZATION TRANSFORMERS.”https://doi.org/10.1364/OL.13.000527__OPTICS LETTERS 13, no. 6 (1988): 527–29.https://doi.org/10.1364/OL.13.000527 .
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Hilgert, Joachim. “Spectrally Ordered Lie Algebras.” In Group Theoretical Methods in Physics, edited by H.D. Doebner and et al., Vol. 313. Lecture Notes in Physics. New York: Springer, 1988.
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Hilgert, Joachim. “Invariant Lorentzian Orders on Simply Connected Lie Groups.” Arkiv För Mat. 26 (1988): 107–15.
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Hilgert, Joachim, and K.H. Hofmann. “Classification of Invariant Cones in Real Lie Algebras.” Bull. AMS 11 (1988): 441–46.
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Hilgert, Joachim, and K.H. Hofmann. “Invariant Cones in Lie Algebras.” Semigroup Forum 37l. Semigroup Forum, 1988, 241–52.
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Büning, Hans Kleine, and Theodor Lettmann. “Representation Independent Query and Update Operations on Propositional Definite Horn Formulas.”https://doi.org/10.1007/3-540-18170-9_167__In Computation Theory and Logic, edited by Egon Börger, 208–23. Berlin, Heidelberg, 1987.https://doi.org/10.1007/3-540-18170-9_167 .
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DOI: 10.1007/3-540-18170-9_167