@TechReport{Schweigler01,
  author      = "Martin Schweigler",
  title       = "Ground Surface Pattern Recognition for Enhanced Navigation",
  institution = "RWTH Aachen",
  keywords    = "navigation system, pattern recognition",
  year        = "2021",
  number      = "AIB-2021-07",
  month       = may,
  url         = "http://publications.rwth-aachen.de/record/820793/files/820793.pdf"
}