@inproceedings{rodriguez-luna-etal-2020-internal, title = "Internal and external pressures on language emergence: least effort, object constancy and frequency", author = "Rodr{\'i}guez Luna, Diana and Ponti, Edoardo Maria and Hupkes, Dieuwke and Bruni, Elia", editor = "Cohn, Trevor and He, Yulan and Liu, Yang", booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2020", month = nov, year = "2020", address = "Online", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2020.findings-emnlp.397/", doi = "10.18653/v1/2020.findings-emnlp.397", pages = "4428--4437" }