R. Bigga, U. Danker, and P. Bruhn, “Der VZ - Verlag in Photographien,” Beirat für Geschichte der Arbeiterbewegung und Demokratie in Schleswig-Holstein, vol. 3, pp. 359–379, 1988.
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R. Noé and D. SMITH, “INTEGRATED-OPTIC ROTATING WAVEPLATE FREQUENCY SHIFTER,”10.1049/el:19880917__ELECTRONICS LETTERS, vol. 24, no. 21, pp. 1348–1349, 1988, doi:10.1049/el:19880917 .
LibreCat: /record/38346
DOI: 10.1049/el:19880917

R. Noé, W. SESSA, R. WELTER, and L. KAZOVSKY, “NEW FSK PHASE-DIVERSITY RECEIVER IN A 150 MBIT/S COHERENT OPTICAL-TRANSMISSION SYSTEM,”10.1049/el:19880386__ELECTRONICS LETTERS, vol. 24, no. 9, pp. 567–568, 1988, doi:10.1049/el:19880386 .
LibreCat: /record/38339
DOI: 10.1049/el:19880386

R. Noé, H. HEIDRICH, and D. HOFFMANN, “ENDLESS POLARIZATION CONTROL-SYSTEMS FOR COHERENT OPTICS,”10.1109/50.4117__JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 6, no. 7, pp. 1199–1208, 1988, doi:10.1109/50.4117 .
LibreCat: /record/38337
DOI: 10.1109/50.4117

R. Noé and D. SMITH, “INTEGRATED-OPTIC ROTATING WAVEPLATE FREQUENCY SHIFTER,”10.1049/el:19880917__ELECTRONICS LETTERS, vol. 24, no. 21, pp. 1348–1349, 1988, doi:10.1049/el:19880917 .
LibreCat: /record/38296
DOI: 10.1049/el:19880917

R. Noé, W. SESSA, R. WELTER, and L. KAZOVSKY, “NEW FSK PHASE-DIVERSITY RECEIVER IN A 150 MBIT/S COHERENT OPTICAL-TRANSMISSION SYSTEM,”10.1049/el:19880386__ELECTRONICS LETTERS, vol. 24, no. 9, pp. 567–568, 1988, doi:10.1049/el:19880386 .
LibreCat: /record/38289
DOI: 10.1049/el:19880386

R. Noé, H. HEIDRICH, and D. HOFFMANN, “ENDLESS POLARIZATION CONTROL-SYSTEMS FOR COHERENT OPTICS,”10.1109/50.4117__JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 6, no. 7, pp. 1199–1208, 1988, doi:10.1109/50.4117 .
LibreCat: /record/38287
DOI: 10.1109/50.4117

R. Noé, H. HEIDRICH, and D. HOFFMANN, “AUTOMATIC ENDLESS POLARIZATION CONTROL WITH INTEGRATED-OPTICAL TI-LINBO3 POLARIZATION TRANSFORMERS,”10.1364/OL.13.000527__OPTICS LETTERS, vol. 13, no. 6, pp. 527–529, 1988, doi:10.1364/OL.13.000527 .
LibreCat: /record/38502
DOI: 10.1364/OL.13.000527

H.-S. Kitzerow, G. Heppke, F. Oestreicher, H.-S. Kitzerow, and M. Krumrey, “Blue phase liquid crystal system, method of operation and its use .” 1988.
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G. Heppke, H.-S. Kitzerow, F. Oestreicher, S. Quentel, and A. Ranft, “Electrooptic Effect in a Non-Polar Nematic Discotic Liquid Crystal,”10.1080/01406566.1988.10767023__Molecular Crystals and Liquid Crystals Letters, vol. 6, no. 3, pp. 71–79, 1988, doi:10.1080/01406566.1988.10767023 .
LibreCat: /record/40406
DOI: 10.1080/01406566.1988.10767023

H. Schroeter-Wittke, “Rez.: Andreas Feige / Ingrid Lukatis / Wolfgang Lukatis: Kirchentag zwischen Kirche und Welt. Auf der Suche nach Antworten. Eine empirische Untersuchung auf dem 21. Deutschen Evangelischen Kirchentag Düsseldorf 1985,” Der Evangelische Erzieher, vol. 40. pp. 398–401, 1988.
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H. Schroeter-Wittke, “Schätze in irdenen Gefäßen - sind unsere neueren Tauflieder verwässert und vergeistigt?,” Der Evangelische Erzieher, vol. 40, pp. 184–202, 1988.
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J. Hilgert, “Spectrally Ordered Lie Algebras,” in Group Theoretical Methods in Physics, vol. 313, H. D. Doebner and et al., Eds. New York: Springer, 1988.
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J. Hilgert, “Invariant Lorentzian Orders on Simply Connected Lie Groups,” Arkiv för mat., vol. 26, pp. 107–115, 1988.
LibreCat: /record/51449

J. Hilgert and K. H. Hofmann, “Classification of Invariant Cones in Real Lie Algebras,” Bull. AMS, vol. 11, pp. 441–446, 1988.
LibreCat: /record/51450

J. Hilgert and K. H. Hofmann, “Invariant Cones in Lie Algebras,” Semigroup Forum 37l. Semigroup Forum, pp. 241–252, 1988.
LibreCat: /record/51451