@other{https://authors.library.caltech.edu/records/r88f0-x3225,
    title = "Flow energy harvesting devices and system",
    year = "2022",
    url = "https://authors.library.caltech.edu/records/r88f0-x3225",
    id = "record"
}


@other{https://resolver.caltech.edu/CaltechAUTHORS:20211008-225804351,
    title = "Tracheotomy device",
    year = "2020",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20211008-225804351",
    id = "record"
}