@inproceedings{Kiefer_2016,
    doi = {10.1145/2933575.2933595},
    url = {https://doi.org/10.1145%2F2933575.2933595},
    year = {2016},
    month = {jul},
    publisher = {{ACM}},
    author = {Sandra Kiefer and Pascal Schweitzer},
    title = {Upper Bounds on the Quantifier Depth for Graph Differentiation in First Order Logic},
    booktitle = {Proceedings of the 31st Annual {ACM}/{IEEE} Symposium on Logic in Computer Science}
}

@inproceedings{Kiefer_2016, doi = {10.1145/2933575.2933595}, url = {https://doi.org/10.1145%2F2933575.2933595}, year = {2016}, month = {jul}, publisher = {{ACM}}, author = {Sandra Kiefer and Pascal Schweitzer}, title = {Upper Bounds on the Quantifier Depth for Graph Differentiation in First Order Logic}, booktitle = {Proceedings of the 31st Annual {ACM}/{IEEE} Symposium on Logic in Computer Science} }