@other{https://resolver.caltech.edu/CaltechAUTHORS:20190726-093513125,
    title = "The Chaotic Nature of TRAPPIST-1 Planetary Spin States",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20190726-093513125",
    id = "record",
    doi = "10.48550/arXiv.1905.11419"
}