@inproceedings{findingoptimal1endpointcrossingtrees,
  title = {Finding Optimal 1-Endpoint-Crossing Trees},
  author = {Emily Pitler and Sampath Kannan and Mitchell Marcus},
  year = {2013},
  booktitle = {TACL 2013 1},
  url = {https://aclanthology.org/Q13-1002},
}