@article{Booth_1978,
    doi = {10.1137/0207023},
    url = {https://doi.org/10.1137%2F0207023},
    year = {1978},
    month = {aug},
    publisher = {Society for Industrial {\&} Applied Mathematics ({SIAM})},
    volume = {7},
    number = {3},
    pages = {273--279},
    author = {Kellogg S. Booth},
    title = {Isomorphism Testing for Graphs, Semigroups, and Finite Automata are Polynomially Equivalent Problems},
    journal = {{SIAM} Journal on Computing}
}

@article{Booth_1978, doi = {10.1137/0207023}, url = {https://doi.org/10.1137%2F0207023}, year = {1978}, month = {aug}, publisher = {Society for Industrial {\&} Applied Mathematics ({SIAM})}, volume = {7}, number = {3}, pages = {273--279}, author = {Kellogg S. Booth}, title = {Isomorphism Testing for Graphs, Semigroups, and Finite Automata are Polynomially Equivalent Problems}, journal = {{SIAM} Journal on Computing} }