@article{gaussianprocessgradientmapsforloop,
  title = {Gaussian Process Gradient Maps for Loop-Closure Detection in Unstructured Planetary Environments},
  author = {Cedric Le Gentil and Mallikarjuna Vayugundla and Riccardo Giubilato and Wolfgang Stürzl and Teresa Vidal-Calleja and Rudolph Triebel},
  year = {2020},
  eprint = {2009.00221},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2009.00221v1},
}