@article{Liu_2007,
    doi = {10.1016/j.entcs.2007.10.006},
    url = {https://doi.org/10.1016%2Fj.entcs.2007.10.006},
    year = {2007},
    month = {nov},
    publisher = {Elsevier {BV}},
    volume = {193},
    pages = {29--45},
    author = {Hai Liu and Paul Hudak},
    title = {Plugging a Space Leak with an Arrow},
    journal = {Electronic Notes in Theoretical Computer Science}
}

@article{Liu_2007, doi = {10.1016/j.entcs.2007.10.006}, url = {https://doi.org/10.1016%2Fj.entcs.2007.10.006}, year = {2007}, month = {nov}, publisher = {Elsevier {BV}}, volume = {193}, pages = {29--45}, author = {Hai Liu and Paul Hudak}, title = {Plugging a Space Leak with an Arrow}, journal = {Electronic Notes in Theoretical Computer Science} }