@inproceedings{areviewofspanishcorporaannotatedwith,
  title = {A review of Spanish corpora annotated with negation},
  author = {Salud Mar{\'\i}a Jim{\'e}nez-Zafra and Roser Morante and Maite Martin and L. Alfonso Ure{\~n}a-L{\'o}pez},
  year = {2018},
  booktitle = {COLING 2018 8},
  url = {https://aclanthology.org/C18-1078},
}