@other{https://resolver.caltech.edu/CaltechTHESIS:06042017-165228124,
    title = "Effective Toughness of Heterogeneous Materials",
    url = "https://resolver.caltech.edu/CaltechTHESIS:06042017-165228124",
    id = "record",
    doi = "10.7907/Z9HH6H49"
}