Heppke, G., B. Jérôme, Heinz-Siegfried Kitzerow, and P. Pieranski. “Electrostriction of the Cholesteric Blue Phases BPI and BPII in Mixtures with Positive Dielectric Anisotropy.”https://doi.org/10.1051/jphys:0198900500190299100__Journal de Physique 50, no. 19 (1989): 2991–98.https://doi.org/10.1051/jphys:0198900500190299100 .
LibreCat: /record/40341
DOI: 10.1051/jphys:0198900500190299100

Heppke, G., B. Jérôme, Heinz-Siegfried Kitzerow, and P. Pieranski. “Electrostriction of BPI and BPII for Blue Phase Systems with Negative Dielectric Anisotropy.”https://doi.org/10.1051/jphys:01989005005054900__Journal de Physique 50, no. 5 (1989): 549–62.https://doi.org/10.1051/jphys:01989005005054900 .
LibreCat: /record/40344
DOI: 10.1051/jphys:01989005005054900

Halstead, Thomas K., Claudia Schmidt, Hans W. Spiess, Robert Schoellhorn, Werner Mueller-Warmuth, and H. Moeller. “Magnetic-Field-Induced Orientation of Crystallites in Powders of Layered Intercalation Compounds Detected by NMR.”https://doi.org/10.1021/j100337a003__The Journal of Physical Chemistry 92, no. 26 (1988): 7167–68.https://doi.org/10.1021/j100337a003 .
LibreCat: /record/35393
DOI: 10.1021/j100337a003

Schmidt, Claudia, B Blümich, and H.W Spiess. “Deuteron Two-Dimensional Exchange NMR in Solids.”https://doi.org/10.1016/0022-2364(88)90219-3__Journal of Magnetic Resonance (1969) 79, no. 2 (1988): 269–90.https://doi.org/10.1016/0022-2364(88)90219-3 .
LibreCat: /record/35392
DOI: 10.1016/0022-2364(88)90219-3

Kitzerow, Heinz-Siegfried, G. Heppke, F. Oestreicher, Heinz-Siegfried Kitzerow, and M. Krumrey. “Blue Phase Liquid Crystal System, Method of Operation and Its Use ,” 1988.
LibreCat: /record/40637

Heppke, G., Heinz-Siegfried Kitzerow, F. Oestreicher, S. Quentel, and A. Ranft. “Electrooptic Effect in a Non-Polar Nematic Discotic Liquid Crystal.”https://doi.org/10.1080/01406566.1988.10767023__Molecular Crystals and Liquid Crystals Letters 6, no. 3 (1988): 71–79.https://doi.org/10.1080/01406566.1988.10767023 .
LibreCat: /record/40406
DOI: 10.1080/01406566.1988.10767023

Schmidt, Claudia, B. Blümich, S. Wefing, S. Kaufmann, and H. W. Spiess. “Molecular Motions from Two-Dimensional NMR of Powders: Comparison of Rotational Jumps and Diffusive Reorientations.”https://doi.org/10.1002/bbpc.19870911113__Berichte Der Bunsengesellschaft Für Physikalische Chemie 91, no. 11 (1987): 1141–45.https://doi.org/10.1002/bbpc.19870911113 .
LibreCat: /record/35394
DOI: 10.1002/bbpc.19870911113

Heppke, G., Heinz-Siegfried Kitzerow, and M. Krumrey. “Angular Dependence of Blue Phase Selective Reflection in the Electric Field.”https://doi.org/10.1080/00268948708074802__Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics 150, no. 1 (1987): 265–76.https://doi.org/10.1080/00268948708074802 .
LibreCat: /record/40338
DOI: 10.1080/00268948708074802

Schmidt, Claudia, S. Wefing, B. Blümich, and H.W. Spiess. “Dynamics of Molecular Reorientations: Direct Determination of Rotational Angles from Two-Dimensional NMR of Powders.”https://doi.org/10.1016/0009-2614(86)80431-6__Chemical Physics Letters 130, no. 1–2 (1986): 84–90.https://doi.org/10.1016/0009-2614(86)80431-6 .
LibreCat: /record/35395
DOI: 10.1016/0009-2614(86)80431-6

Heppke, G., F. Oestreicher, Heinz-Siegfried Kitzerow, and M. Krumrey. “Optisches System Mit Einer Flüssigkristallzelle, Verfahren Zu Seinem Betrieb Und Seine Verwendung,” 1986.
LibreCat: /record/40636

Schmidt, Claudia, Karl J. Kuhn, and Hans W. Spiess. “Distribution of Correlation Times in Glassy Polymers From Pulsed Deuteron NMR.” Progress in Colloid and Polymer Science 71 (1985): 71–76.
LibreCat: /record/35399
WoS: A1985AVT4500010

HEPPKE, G, Heinz-Siegfried Kitzerow, and M KRUMREY. “ELECTROOPTICAL BEHAVIOR OF CHOLESTERIC BLUE PHASES WITH NEGATIVE DIELECTRIC ANISOTROPY.” MOLECULAR CRYSTALS AND LIQUID CRYSTALS 1, no. 3–4 (1985): 117–22.
LibreCat: /record/40399

HEPPKE, G, Heinz-Siegfried Kitzerow, and M KRUMREY. “ELECTRIC-FIELD INDUCED VARIATION OF THE REFRACTIVE-INDEX IN CHOLESTERIC BLUE PHASES.” MOLECULAR CRYSTALS AND LIQUID CRYSTALS 2, no. 1–2 (1985): 59–65.
LibreCat: /record/40395