@inproceedings{internalandexternalpressuresonlanguage,
  title = {Internal and external pressures on language emergence: least effort, object constancy and frequency},
  author = {Diana Rodríguez Luna and Edoardo Maria Ponti and Dieuwke Hupkes and Elia Bruni},
  year = {2020},
  booktitle = {Findings of the Association for Computational Linguistics 2020},
  eprint = {2004.03868},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2004.03868v3},
}