@inproceedings{Berkholz_2016,
    doi = {10.1145/2933575.2934560},
    url = {https://doi.org/10.1145%2F2933575.2934560},
    year = {2016},
    month = {jul},
    publisher = {{ACM}},
    author = {Christoph Berkholz and Jakob Nordström},
    title = {Near-Optimal Lower Bounds on Quantifier Depth and Weisfeiler--Leman Refinement Steps},
    booktitle = {Proceedings of the 31st Annual {ACM}/{IEEE} Symposium on Logic in Computer Science}
}

@inproceedings{Berkholz_2016, doi = {10.1145/2933575.2934560}, url = {https://doi.org/10.1145%2F2933575.2934560}, year = {2016}, month = {jul}, publisher = {{ACM}}, author = {Christoph Berkholz and Jakob Nordström}, title = {Near-Optimal Lower Bounds on Quantifier Depth and Weisfeiler--Leman Refinement Steps}, booktitle = {Proceedings of the 31st Annual {ACM}/{IEEE} Symposium on Logic in Computer Science} }