@article{Mackworth_1977,
    doi = {10.1016/0004-3702(77)90007-8},
    url = {https://doi.org/10.1016%2F0004-3702%2877%2990007-8},
    year = {1977},
    month = {feb},
    publisher = {Elsevier {BV}},
    volume = {8},
    number = {1},
    pages = {99--118},
    author = {Alan K. Mackworth},
    title = {Consistency in networks of relations},
    journal = {Artificial Intelligence}
}

@article{Mackworth_1977, doi = {10.1016/0004-3702(77)90007-8}, url = {https://doi.org/10.1016%2F0004-3702%2877%2990007-8}, year = {1977}, month = {feb}, publisher = {Elsevier {BV}}, volume = {8}, number = {1}, pages = {99--118}, author = {Alan K. Mackworth}, title = {Consistency in networks of relations}, journal = {Artificial Intelligence} }