@article{chang-clark-2014-practical,
    title = "Practical Linguistic Steganography using Contextual Synonym Substitution and a Novel Vertex Coding Method",
    author = "Chang, Ching-Yun  and
      Clark, Stephen",
    journal = "Computational Linguistics",
    volume = "40",
    number = "2",
    month = jun,
    year = "2014",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://preview.aclanthology.org/fix-sig-urls/J14-2006/",
    doi = "10.1162/COLI_a_00176",
    pages = "403--448"
}