Noé, Reinhold, et al. “POLARIZATION-INSENSITIVE, 500 MBIT/S FSK TRANSMISSION OVER 153KM BY PASSIVE POLARIZATION SWITCHING.”10.1049/el:19890003__ELECTRONICS LETTERS, vol. 25, no. 1, 1989, pp. 4–5, doi:10.1049/el:19890003.
LibreCat: /record/38347
DOI: 10.1049/el:19890003

Noé, Reinhold, et al. “POLARIZATION-INSENSITIVE, 500 MBIT/S FSK TRANSMISSION OVER 153KM BY PASSIVE POLARIZATION SWITCHING.”10.1049/el:19890003__ELECTRONICS LETTERS, vol. 25, no. 1, 1989, pp. 4–5, doi:10.1049/el:19890003.
LibreCat: /record/38297
DOI: 10.1049/el:19890003

Rammig, Franz Josef, and Wolfgang Müller. “ODICE: Object-Oriented Hardware Description in CAD Environment.” Proc. of the Ninth IFIP Symposium on CHDLs and Their Application, 1989.
LibreCat: /record/39585

Heppke, G., et al. “Observation of a Hexagonal Blue Phase in Systems with Negative Dielectric Anisotropy.”10.1080/02678298908026387__Liquid Crystals, vol. 5, no. 3, Informa UK Limited, 1989, pp. 813–28, doi:10.1080/02678298908026387.
LibreCat: /record/40069
DOI: 10.1080/02678298908026387

Heppke, G., et al. “Electrostriction of the Cholesteric Blue Phases BPI and BPII in Mixtures with Positive Dielectric Anisotropy.”10.1051/jphys:0198900500190299100__Journal de Physique, vol. 50, no. 19, EDP Sciences, 1989, pp. 2991–98, doi:10.1051/jphys:0198900500190299100.
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DOI: 10.1051/jphys:0198900500190299100

Heppke, G., et al. “Electrostriction of BPI and BPII for Blue Phase Systems with Negative Dielectric Anisotropy.”10.1051/jphys:01989005005054900__Journal de Physique, vol. 50, no. 5, EDP Sciences, 1989, pp. 549–62, doi:10.1051/jphys:01989005005054900.
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DOI: 10.1051/jphys:01989005005054900

Schroeter-Wittke, Harald. “Das Besondere Buch: Komm, Herr, Segne Uns. Texte Und Melodien von Dieter Trautwein Und Befreundeten Autoren, Dazu Übertragungen von Liedern Und Liturgischen Gesängen Aus Der Ökumene von Ursula Und Dieter Trautwein.” Der Evangelische Erzieher, vol. 41, 1989, pp. 264–67.
LibreCat: /record/43472

Schroeter-Wittke, Harald. “Bonhoeffer-Requiem. Eindringlich, Nicht Aufdringlich.” Kirchentag ’89. Berichte Und Materialien Aus Berlin. , edited by Rüdiger Runge, 1989, pp. 223–26.
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Schroeter-Wittke, Harald, et al. “Abenteuer Kirchentag. Henning Schröer Und Harald Schroeter Im Gespräch Mit Helmut Simon.” Gep Buchmagazin Frühjahr / Sommer , 1989, pp. 3–5.
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Schroeter-Wittke, Harald. “Weg Oder Weg? Gedanken Bei Der Beschäftigung Mit Der Gruppe Supertramp.” Der Evangelische Erzieher, vol. 41, 1989, pp. 280–86.
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Schroeter-Wittke, Harald. “God’s Love ‘Made Visible’. Eine Weihnachtsmusik von Dave Brubeck.” Der Evangelische Erzieher, vol. 41, 1989, pp. 506–08.
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Hilgert, Joachim, and K. H. Hofmann. “Compactly Embedded Cartan Algebras and Invariant Cones in Lie Algebras.” Advances Math., vol. 75, 1989, pp. 168–201.
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Hilgert, Joachim. “A Note on Howe’s Oscillator Semigroup.” Ann. Inst. Fourier, vol. 39, 1989, pp. 663–88.
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Hilgert, Joachim, et al., editors. Lie Groups, Convex Cones, and Semigroups. Oxford University Press, 1989.
LibreCat: /record/51498