@other{https://resolver.caltech.edu/CaltechETD:etd-01172008-110632,
    title = "Speciation of Fe in ambient aerosol and cloudwater",
    url = "https://resolver.caltech.edu/CaltechETD:etd-01172008-110632",
    id = "record",
    doi = "10.7907/fssg-ew75"
}