@other{https://resolver.caltech.edu/CaltechETD:etd-11092007-110816,
    title = "Monte Carlo Calculation of the Flow of Granular Materials",
    year = "1986",
    url = "https://resolver.caltech.edu/CaltechETD:etd-11092007-110816",
    id = "record",
    doi = "10.7907/6b67-x610"
}