@article{GerhardKuenstlerEberleetal.1998,
  author    = {Reimund Gerhard and Wolfgang K{\"u}nstler and G. Eberle and E. Eisenmenger and G. M. Yang},
  title     = {High space densities in the bulk of fluoropolymer elctrets detected with piezoelectrically generated pressure steps},
  year      = {1998},
}