@inproceedings{saul-pereira-1997-aggregate,
    title = "Aggregate and mixed-order {M}arkov models for statistical language processing",
    author = "Saul, Lawrence  and
      Pereira, Fernando",
    booktitle = "Second Conference on Empirical Methods in Natural Language Processing",
    year = "1997",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W97-0309/"
}