@article{Liu_2011,
    doi = {10.1016/j.tcs.2010.12.045},
    url = {https://doi.org/10.1016%2Fj.tcs.2010.12.045},
    year = {2011},
    month = {apr},
    publisher = {Elsevier {BV}},
    volume = {412},
    number = {18},
    pages = {1705--1717},
    author = {Jiamou Liu and Mia Minnes},
    title = {Deciding the isomorphism problem in classes of unary automatic structures},
    journal = {Theoretical Computer Science}
}

@article{Liu_2011, doi = {10.1016/j.tcs.2010.12.045}, url = {https://doi.org/10.1016%2Fj.tcs.2010.12.045}, year = {2011}, month = {apr}, publisher = {Elsevier {BV}}, volume = {412}, number = {18}, pages = {1705--1717}, author = {Jiamou Liu and Mia Minnes}, title = {Deciding the isomorphism problem in classes of unary automatic structures}, journal = {Theoretical Computer Science} }