@other{https://resolver.caltech.edu/CaltechKHR:KH-R-40,
    title = "Studies on gravitational spreading currents",
    year = "2004",
    url = "https://resolver.caltech.edu/CaltechKHR:KH-R-40",
    id = "record",
    doi = "10.7907/Z9000023"
}