@inproceedings{swellexsecondlanguagelearnersaproductive,
  title = {SweLLex: Second language learners' productive vocabulary},
  author = {Elena Volodina and Ildik{\'o} Pil{\'a}n and Lorena Llozhi and Baptiste Degryse and Thomas Fran{\c{c}}ois},
  year = {2016},
  booktitle = {WS 2016 11},
  url = {https://aclanthology.org/W16-6510},
}