@misc{PierHummenStellberg1996,
  author    = {Pier, Arnold and Hummen, J{\"o}rg and Stellberg, Michael},
  title     = {Surgical clip applicator},
  pages     = {16, 7, 2 S. : graph. Darst.},
  year      = {1996},
  language  = {en}
}
@misc{PierHummenStellberg1996,
  author    = {Pier, Arnold and Hummen, J{\"o}rg and Stellberg, Michael},
  title     = {Chirurgischer Klammerapplikator},
  pages     = {4 Bl., 7 S. : graph. Darst.},
  year      = {1996},
  language  = {de}
}