@inproceedings{Devlin_2019,
url={http://dx.doi.org/10.18653/v1/n19-1423},
DOI={10.18653/v1/n19-1423},
booktitle={Proceedings of the 2019 Conference of the North},
publisher={Association for Computational Linguistics},
author={Devlin,
Jacob and Chang,
Ming-Wei and Lee,
Kenton and Toutanova,
Kristina},
year={2019} }