@article{Gratzer_2019,
    doi = {10.1145/3341711},
    url = {https://doi.org/10.1145%2F3341711},
    year = {2019},
    month = {jul},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {3},
    number = {{ICFP}},
    pages = {1--29},
    author = {Daniel Gratzer and Jonathan Sterling and Lars Birkedal},
    title = {Implementing a modal dependent type theory},
    journal = {Proceedings of the {ACM} on Programming Languages}
}

@article{Gratzer_2019, doi = {10.1145/3341711}, url = {https://doi.org/10.1145%2F3341711}, year = {2019}, month = {jul}, publisher = {Association for Computing Machinery ({ACM})}, volume = {3}, number = {{ICFP}}, pages = {1--29}, author = {Daniel Gratzer and Jonathan Sterling and Lars Birkedal}, title = {Implementing a modal dependent type theory}, journal = {Proceedings of the {ACM} on Programming Languages} }