Blue phase mixtures exhibiting low fractions of a chiral compound experimental observation of some unusual properties
G. Heppke, H.-S. Kitzerow, D. Lötzsch, Ch. Papenfuß, Liquid Crystals 8 (1990) 407–418.
LibreCat: /record/40067
DOI: 10.1080/02678299008047356

OPTICAL AMPLIFIER WITH 27-DB DYNAMIC-RANGE IN A COHERENT TRANSMISSION-SYSTEM
R. Noé, C. ZAH, M. MAEDA, C. CANEAU, S. MENOCAL, R. WAGNER, T. LEE, IEEE PHOTONICS TECHNOLOGY LETTERS 2 (1990) 120–121.
LibreCat: /record/38338
DOI: 10.1109/68.47067

OPTICAL AMPLIFIER WITH 27-DB DYNAMIC-RANGE IN A COHERENT TRANSMISSION-SYSTEM
R. Noé, C. ZAH, M. MAEDA, C. CANEAU, S. MENOCAL, R. WAGNER, T. LEE, IEEE PHOTONICS TECHNOLOGY LETTERS 2 (1990) 120–121.
LibreCat: /record/38288
DOI: 10.1109/68.47067

POLARIZATION-INDEPENDENT AND PATTERN-INDEPENDENT OPTICAL FSK HETERODYNE SYSTEM USING DATA-INDUCED POLARIZATION SWITCHING
R. Noé, H. RODLER, G. GAUKEL, A. EBBERG, F. AURACHER, ELECTRONICS LETTERS 26 (1990) 176–177.
LibreCat: /record/38498
DOI: 10.1049/el:19900119

HIGH-PERFORMANCE, 2-CHANNEL OPTICAL FSK HETERODYNE SYSTEM WITH POLARIZATION DIVERSITY RECEIVER
R. Noé, H. RODLER, G. GAUKEL, B. NOLL, A. EBBERG, ELECTRONICS LETTERS 26 (1990) 1109–1110.
LibreCat: /record/38501
DOI: 10.1049/el:19900717

Dynamics of blue-phase selective reflections in an electric field
H.-S. Kitzerow, P.P. Crooker, S.L. Kwok, J. Xu, G. Heppke, Physical Review A 42 (1990) 3442–3448.
LibreCat: /record/40335
DOI: 10.1103/physreva.42.3442

A blue phase with negative dielectric anisotropy in an electric field. Statics and dynamics
H.-S. Kitzerow, P.P. Crooker, S.L. Kwok, G. Heppke, Journal de Physique 51 (1990) 1303–1312.
LibreCat: /record/40340
DOI: 10.1051/jphys:0199000510120130300

First optical observation of Kossel diagrams in chiral smectic phases
H.-S. Kitzerow, G. Heppke, H. Schmid, B. Jérôme, P. Pieranski, Journal de Physique 51 (1990) 2087–2099.
LibreCat: /record/40336
DOI: 10.1051/jphys:0199000510180208700

Im Advent kommt Gott uns entgegen. Anmerkungen und Anregungen für Verkündigung und Liturgie in der Vorweihnachtszeit
H. Schroeter-Wittke, Zeitschrift Für Gottesdienst Und Predigt 8 (1990) 7–13.
LibreCat: /record/43474

Erben sind wir auf jeden Fall. Über Forschung, Vermittlung und Gedenken. Ein Interview mit Eberhard Bethge 
H. Schroeter-Wittke, H. Schröer, E. Bethge, Der Evangelische Erzieher 42 (1990) 453–463.
LibreCat: /record/43473

Applications of Lie Semigroups in Analysis
J. Hilgert, in: K.H. Hofmann, et al. (Eds.), The Analytical and Topological Theory of Semigroups, De Gruyter, Berlin, 1990.
LibreCat: /record/51484

On the Causal Structure of Homogeneous Manifolds
J. Hilgert, K.H. Hofmann, Math. Scand. 67 (1990) 119–144.
LibreCat: /record/51446