@inproceedings{lee-etal-1989-recent,
    title = "Recent Progress in the {S}phinx Speech Recognition System",
    author = "Lee, Kai-Fu  and
      Hon, Hsiao-Wuen  and
      Hwang, Mei-Yuh",
    booktitle = "Speech and Natural Language: Proceedings of a Workshop Held at Philadelphia, {P}ennsylvania, {F}ebruary 21-23, 1989",
    year = "1989",
    url = "https://preview.aclanthology.org/iwcs-25-ingestion/H89-1016/"
}Markdown (Informal)
[Recent Progress in the Sphinx Speech Recognition System](https://preview.aclanthology.org/iwcs-25-ingestion/H89-1016/) (Lee et al., HLT 1989)
ACL