Kitzerow, Heinz-Siegfried, and Peter P. Crooker. “Polymer-Dispersed Cholesteric Liquid Crystals - Challenge for Research and Application.”https://doi.org/10.1080/00150199108226040__Ferroelectrics 122, no. 1 (1991): 183–96.https://doi.org/10.1080/00150199108226040 .

Kitzerow, Heinz-Siegfried, P. Crooker, and G. Heppke. “Line Shapes of Field-Induced Blue-Phase-III Selective Reflections.”https://doi.org/10.1103/physrevlett.67.2151__Physical Review Letters 67, no. 16 (1991): 2151–54.https://doi.org/10.1103/physrevlett.67.2151 .

Kitzerow, Heinz-Siegfried, B. Jérôme, and P. Pieranski. “Strain-Induced Anchoring Transitions.”https://doi.org/10.1016/0378-4371(91)90423-a__Physica A: Statistical Mechanics and Its Applications 174, no. 1 (1991): 163–94.https://doi.org/10.1016/0378-4371(91)90423-a .

Kitzerow, Heinz-Siegfried. “The Effect of Electric Fields on Blue Phases.”https://doi.org/10.1080/00268949108035659__Molecular Crystals and Liquid Crystals 202, no. 1 (1991): 51–83.https://doi.org/10.1080/00268949108035659 .

Kitzerow, Heinz-Siegfried, H. Schmid, and G. Heppke. “Chirale Flüssigkristalle - Selektive Reflexion in Phasen ohne Spiegelsymmetrie.” Labor 2000, Sonderausgabe der Zeitschrift LaborPraxis, Vogel Verlag, München, 1991.

Huber, Klaus. “Interactions in Mixed Interfaces of Binary Surfactant Solutions.”https://doi.org/10.1016/0021-9797(91)90164-4__Journal of Colloid and Interface Science 147, no. 2 (1991): 321–32.https://doi.org/10.1016/0021-9797(91)90164-4 .

Huber, Klaus. “Calcium-Induced Shrinking of Polyacrylate Chains in Aqueous Solution.”https://doi.org/10.1021/j100140a046__The Journal of Physical Chemistry 97, no. 38 (1991): 9825–30.https://doi.org/10.1021/j100140a046 .

Schroeter-Wittke, Harald. “Letzter Sonntag Nach Epiphanias; Predigttext: 2. Korinther 4,6-10.” In Gottesdienstpraxis. Serie A. II. Perikopenreihe Band 1, edited by Horst Nitschke, Vol. 132–139. Gütersloh: Gütersloher Verlagshaus, 1991.

Goser, K., Ulrich Hilleringmann, and U. Rückert. “Application and Implementation of Neural Networks in Microelectronics.” In Artificial Neural Networks, edited by Alberto Prieto, 243–259. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991.

Herzig, Bardo. “Definite Clause Grammars (DCG´s) zur Sprachanalyse. Eine Einführung in GRAMCOM, eine Benutzeroberfläche zur Analyse formaler und natürlicher Sprachen mit Hilfe von DCG´s.” In Neue Fragen der Linguistik. Bd. 2: Innovation und Anwendung, edited by E. Feldbusch, R. Pogarell, and C. Weiß, 467–72. Tübingen: Max Niemeyer Verlag, 1991.

Peckhaus, Volker. Hilbertprogramm und Kritische Philosophie. Das Göttinger Modell interdisziplinärer Zusammenarbeit zwischen Mathematik und Philosophie. Vol. 7. Studien zur Wissenschafts-, Sozial- und Bildungsgeschichte der Mathematik. Göttingen: Vandenhoeck &; Ruprecht, 1990.

Peckhaus, Volker. “,Ich habe mich wohl gehütet, alle Patronen auf einmal zu verschießen‘. Ernst Zermelo in Göttingen.” History and Philosophy of Logic 11 (1990): 19–58.

Peckhaus, Volker. Fotografie: Joachim Schulte (Erlangen, 21.2.1990), Katalog Suhrkamp Wissenschaft. Neuerscheinungen 2. Halbjahr 1990. Frankfurt a. M.: Suhrkamp, 1990.

Krauter, Stefan, and Rolf Hanitsch. “The Influence of the Capsulation on the Efficiency of PV-Modules.”https://doi.org/10.1016/B978-0-08-037539-7.50062-4__In Proceedings of the 1st World Renewable Energy Congress, Reading (UK), 23.–28. September 1990, Band 1, S. 141–144., 1990.https://doi.org/10.1016/B978-0-08-037539-7.50062-4 .

Haeb-Umbach, Reinhold, D. Rugar, T. Howell, and G. P. Coleman. “Coding and Signal Processing for a Magneto-Optic Resonant Bias Coil Overwrite Experiment.” In International Conference on Communication, Atlanta, 1990.

Hellebrand, Sybille, Hans-Joachim Wunderlich, and Oliver F. Haberl. Generating Pseudo-Exhaustive Vectors for External Testing. IEEE Design for Testability Workshop, Vail, CO, USA, 1990.

Margaritis, Basile. Analyse eines Sperr-Flußkonverters, 1990.

Hellebrand, Sybille, and Hans-Joachim Wunderlich. “Tools and Devices Supporting the Pseudo-Exhaustive Test.”https://doi.org/10.1109/edac.1990.136612__In European Design Automation Conference (EDAC’90), 13–17. Glasgow, UK: IEEE, 1990.https://doi.org/10.1109/edac.1990.136612 .

Hellebrand, Sybille, Hans-Joachim Wunderlich, and Oliver F. Haberl. “Generating Pseudo-Exhaustive Vectors for External Testing.”https://doi.org/10.1109/test.1990.114082__In IEEE International Test Conference (ITC’90), 670–79. Washington, DC, USA: IEEE, 1990.https://doi.org/10.1109/test.1990.114082 .

Gochin, M., A. Pines, M.E. Rosen, S.P. Rucker, and Claudia Schmidt. “Two-Dimensional N.M.R. Studies of Flexible Molecules in Liquid Crystals: Orientational Order and Conformational Probabilities ofn-Hexane.”https://doi.org/10.1080/00268979000100501__Molecular Physics 69, no. 4 (1990): 671–95.https://doi.org/10.1080/00268979000100501 .