@inproceedings{sperr-etal-2013-letter,
    title = "Letter N-Gram-based Input Encoding for Continuous Space Language Models",
    author = "Sperr, Henning  and
      Niehues, Jan  and
      Waibel, Alex",
    editor = "Allauzen, Alexandre  and
      Larochelle, Hugo  and
      Manning, Christopher  and
      Socher, Richard",
    booktitle = "Proceedings of the Workshop on Continuous Vector Space Models and their Compositionality",
    month = aug,
    year = "2013",
    address = "Sofia, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/W13-3204/",
    pages = "30--39"
}