@inproceedings{consistentunsupervisedestimatorsfor,
  title = {Consistent Unsupervised Estimators for Anchored PCFGs},
  author = {Alex Clark and er and Nathana{\"e}l Fijalkow},
  year = {2020},
  booktitle = {TACL 2020 1},
  url = {https://aclanthology.org/2020.tacl-1.27},
}