@article{LavrenkoAndreevaStrelinaetal.1999,
  author    = {Peter N. Lavrenko and Katharina A. Andreeva and Irina A. Strelina and Tatjana I. Garmonova and Burkhard Schulz},
  title     = {Optical anisotropy and flexibility of poly(m-phenylene oxadiazole) in sulfuric acid},
  year      = {1999},
}