@misc{indiciae2097b7816734,
  title = {[Computer-aided 3D-navigation systems. Survey and location determination].},
  author = {A R Gunkel and W F Thumfart and W Freysinger},
  year = {2000},
  doi = {10.1007/s001060050015},
  url = {https://pubmed.ncbi.nlm.nih.gov/10663056/},
  note = {Source identifier: 10663056}
}