@other{https://resolver.caltech.edu/CaltechTHESIS:11112024-214534656,
    title = "Particle Sizes in a Crystalline Powder",
    year = "1935",
    url = "https://resolver.caltech.edu/CaltechTHESIS:11112024-214534656",
    id = "record",
    doi = "10.7907/qnrc-8576"
}


@other{https://resolver.caltech.edu/CaltechTHESIS:10222024-174932481,
    title = "Particle Sizes in a Crystalline Powder",
    year = "1935",
    url = "https://resolver.caltech.edu/CaltechTHESIS:10222024-174932481",
    id = "record",
    doi = "10.7907/v138-7r13"
}