@inproceedings{FerreinSchollNeumannetal.2019,
  author    = {Alexander Ferrein and Ingrid Scholl and Tobias Neumann and Kai Kr{\"u}ckel and Stefan Schiffer},
  title     = {A system for continuous underground site mapping and exploration},
  doi       = {10.5772/intechopen.85859},
  year      = {2019},
}