@other{https://resolver.caltech.edu/CaltechTHESIS:10132011-095958731,
    title = "Three-dimensional modeling of upper mantle structure and its significance to tectonics",
    year = "1992",
    url = "https://resolver.caltech.edu/CaltechTHESIS:10132011-095958731",
    id = "record",
    doi = "10.7907/1fgz-mq89"
}