@article{40069,
  author       = {{Heppke, G. and Jéròme, B. and Kitzerow, Heinz-Siegfried and Pieranski, P.}},
  issn         = {{0267-8292}},
  journal      = {{Liquid Crystals}},
  keywords     = {{Condensed Matter Physics, General Materials Science, General Chemistry}},
  number       = {{3}},
  pages        = {{813--828}},
  publisher    = {{Informa UK Limited}},
  title        = {{{Observation of a hexagonal blue phase in systems with negative dielectric anisotropy}}},
  doi          = {{10.1080/02678298908026387}},
  volume       = {{5}},
  year         = {{1989}},
}

@article{35395,
  author       = {{Schmidt, Claudia and Wefing, S. and Blümich, B. and Spiess, H.W.}},
  issn         = {{0009-2614}},
  journal      = {{Chemical Physics Letters}},
  keywords     = {{Physical and Theoretical Chemistry, General Physics and Astronomy}},
  number       = {{1-2}},
  pages        = {{84--90}},
  publisher    = {{Elsevier BV}},
  title        = {{{Dynamics of molecular reorientations: direct determination of rotational angles from two-dimensional NMR of powders}}},
  doi          = {{10.1016/0009-2614(86)80431-6}},
  volume       = {{130}},
  year         = {{1986}},
}