@article{https://resolver.caltech.edu/CaltechAUTHORS:MUNieeetpami03,
    title = "Visual identification by signature tracking",
    journal = "IEEE Transactions on Pattern Recognition and Machine Intelligence",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:MUNieeetpami03",
    id = "record",
    issn = "0162-8828",
    doi = "10.1109/TPAMI.2003.1177152",
    volume = "25"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:MUNieeetpami02,
    title = "Visual input for pen-based computers",
    journal = "IEEE Transactions on Pattern Recognition and Machine Intelligence",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:MUNieeetpami02",
    id = "record",
    issn = "0162-8828",
    doi = "10.1109/34.990134",
    volume = "24"
}