@inproceedings{featureextractionfornativelanguage,
  title = {Feature Extraction for Native Language Identification Using Language Modeling},
  author = {Vincent Kr{\'\i}{\v{z}} and Martin Holub and Pavel Pecina},
  year = {2015},
  booktitle = {RANLP 2015 9},
  url = {https://aclanthology.org/R15-1040},
}