@article{LavrenkoOkatovaSchulz1998,
  author    = {Peter N. Lavrenko and Olga V. Okatova and Burkhard Schulz},
  title     = {Hydrodynamic properties and conformation of the molecules of meta- and para-isomers of polyphenyleneoxadiazole in sulphuric acid},
  year      = {1998},
}