@inproceedings{readabilityindicesforautomaticevaluation,
  title = {Readability Indices for Automatic Evaluation of Text Simplification Systems: A Feasibility Study for Spanish},
  author = {Sanja {\v{S}}tajner and Horacio Saggion},
  year = {2013},
  booktitle = {IJCNLP 2013 10},
  url = {https://aclanthology.org/I13-1043},
}