TY  - RPRT
TI  - [Computer-aided 3D-navigation systems. Survey and location determination].
AU  - A R Gunkel
AU  - W F Thumfart
AU  - W Freysinger
PY  - 2000
DO  - 10.1007/s001060050015
UR  - https://pubmed.ncbi.nlm.nih.gov/10663056/
ID  - 10663056
ER  -