@article{Staton_2013,
    doi = {10.1145/2480359.2429091},
    url = {https://doi.org/10.1145%2F2480359.2429091},
    year = {2013},
    month = {jan},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {48},
    number = {1},
    pages = {179--192},
    author = {Sam Staton and Paul Blain Levy},
    title = {Universal properties of impure programming languages},
    journal = {{ACM} {SIGPLAN} Notices}
}

@article{Staton_2013, doi = {10.1145/2480359.2429091}, url = {https://doi.org/10.1145%2F2480359.2429091}, year = {2013}, month = {jan}, publisher = {Association for Computing Machinery ({ACM})}, volume = {48}, number = {1}, pages = {179--192}, author = {Sam Staton and Paul Blain Levy}, title = {Universal properties of impure programming languages}, journal = {{ACM} {SIGPLAN} Notices} }