@article{reasoningaboutcardinaldirectionsbetween3,
  title = {Reasoning about Cardinal Directions between 3-Dimensional Extended Objects using Answer Set Programming},
  author = {Yusuf Izmirlioglu and Esra Erdem},
  year = {2020},
  eprint = {2008.04126},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2008.04126v1},
}