@inproceedings{nativelanguageidentificationusing,
  title = {Native Language Identification using Recurring $n$-grams -- Investigating Abstraction and Domain Dependence},
  author = {Serhiy Bykh and Detmar Meurers},
  year = {2012},
  booktitle = {COLING 2012 12},
  url = {https://aclanthology.org/C12-1027},
}