@inproceedings{sun-etal-2023-efficiently, title = "Efficiently Upgrading Multilingual Machine Translation Models to Support More Languages", author = "Sun, Simeng and Elbayad, Maha and Sun, Anna and Cross, James", editor = "Vlachos, Andreas and Augenstein, Isabelle", booktitle = "Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics", month = may, year = "2023", address = "Dubrovnik, Croatia", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2023.eacl-main.111/", doi = "10.18653/v1/2023.eacl-main.111", pages = "1513--1527" }