Distribution of Correlation Times in Glassy Polymers From Pulsed Deuteron NMR
C. Schmidt, K.J. Kuhn, H.W. Spiess, Progress in Colloid and Polymer Science 71 (1985) 71–76.

ELECTROOPTICAL BEHAVIOR OF CHOLESTERIC BLUE PHASES WITH NEGATIVE DIELECTRIC ANISOTROPY
G. HEPPKE, H.-S. Kitzerow, M. KRUMREY, MOLECULAR CRYSTALS AND LIQUID CRYSTALS 1 (1985) 117–122.

ELECTRIC-FIELD INDUCED VARIATION OF THE REFRACTIVE-INDEX IN CHOLESTERIC BLUE PHASES
G. HEPPKE, H.-S. Kitzerow, M. KRUMREY, MOLECULAR CRYSTALS AND LIQUID CRYSTALS 2 (1985) 59–65.