@unpublished{BeckOtte,
  author    = {Beck, Andreas and Otte, Andreas},
  title     = {Mord am Federsee : Pfeilspitze als Todesursache vor 7000 Jahren},
  series = {{\"A}rzteblatt Baden-W{\"u}rttemberg},
  volume    = {69},
  number    = {2},
  pages     = {62},
  language  = {de}
}