@InProceedings{bykh-meurers:2012:PAPERS,
  author    = {Bykh, Serhiy  and  Meurers, Detmar},
  title     = {Native Language Identification using Recurring $n$-grams -- Investigating Abstraction and Domain Dependence},
  booktitle = {Proceedings of COLING 2012},
  month     = {December},
  year      = {2012},
  address   = {Mumbai, India},
  publisher = {The COLING 2012 Organizing Committee},
  pages     = {425--440},
  url       = {http://www.aclweb.org/anthology/C12-1027}
}