@article{item_442695,
  author = {Thiering, Martin},
  title  = {Linguistic categorization of topological spatial relations},
  year   = {2009}
}

@article{item_442695,
  author = {Thiering, Martin},
  title  = {Linguistic categorization of topological spatial relations},
  year   = {2009}
}

@article{item_442695,
  author = {Thiering, Martin},
  title  = {Linguistic categorization of topological spatial relations},
  year   = {2009}
}