@article{DBLP:journals/tocl/GroheS02,
  author    = {Martin Grohe and
               Luc Segoufin},
  title     = {On first-order topological queries},
  journal   = {{ACM} Trans. Comput. Log.},
  volume    = {3},
  number    = {3},
  pages     = {336--358},
  year      = {2002},
  url       = {https://doi.org/10.1145/507382.507384},
  doi       = {10.1145/507382.507384},
  timestamp = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl    = {https://dblp.org/rec/journals/tocl/GroheS02.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}

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