@other{https://resolver.caltech.edu/CaltechTHESIS:04092012-114720525,
    title = "A Harmonic and Statistical Analysis of the Topography of the Earth, Moon, and Mars",
    year = "1978",
    url = "https://resolver.caltech.edu/CaltechTHESIS:04092012-114720525",
    id = "record",
    doi = "10.7907/SM57-8B66"
}