@other{https://thesis.library.caltech.edu/id/eprint/6136,
    author = "Roberts, Gregory Charles",
    title = "Cloud condensation nuclei in the Amazon Basin : their role in a tropical rainforest",
    year = "2001",
    url = "https://resolver.caltech.edu/CaltechTHESIS:10122010-122520361",
    id = "https://thesis.library.caltech.edu/id/eprint/6136",
    doi = "10.7907/ebt1-np17"
}