@article{FruebingWangWagener2012,
  author    = {Peter Fr{\"u}bing and Feipeng Wang and Michael Wagener},
  title     = {Relaxation processes and structural transitions in stretched films of polyvinylidene fluoride and its copolymer with hexafluoropropylene},
  journal   = {Applied physics : A, Materials science \& processing},
  volume    = {107},
  number    = {3},
  pages     = {603 -- 611},
  doi       = {10.1007/s00339-012-6838-1},
  year      = {2012},
}