@book{https://authors.library.caltech.edu/records/w220w-fzf98,
    author = "Hudson, Donald E.",
    title = "Strong Motion Seismology",
    year = "1972",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20230702-040823138",
    id = "https://authors.library.caltech.edu/records/w220w-fzf98"
}