@article{Bielefeldt:1980,
  author  = "K. Bielefeldt",
  title   = "Kaltverformen von Thermoplasten durch Taumelpressen",
  journal = "Kunststoffe",
  volume  = "Vol. 70",
  number  = "no 4",
  pages   = "198--201",
  year    = "1980",
}