@inproceedings{learninghierarchicaldiscretelinguistic,
  title = {Learning Hierarchical Discrete Linguistic Units from Visually-Grounded Speech},
  author = {David Harwath and Wei-Ning Hsu and James Glass},
  year = {2019},
  booktitle = {ICLR 2020 1},
  eprint = {1911.09602},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.09602v2},
}