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    title = "Population Dynamics in the Presence of Quasispecies Effects and Changing Environments",
    year = "2006",
    url = "https://resolver.caltech.edu/CaltechETD:etd-04262006-231415",
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    doi = "10.7907/QHEA-NV73"
}


@other{https://resolver.caltech.edu/CaltechETD:etd-05272005-071800,
    title = "Universal Biosignatures for the Detection of Life",
    year = "2005",
    url = "https://resolver.caltech.edu/CaltechETD:etd-05272005-071800",
    id = "record",
    doi = "10.7907/08B9-8Q96"
}


@other{https://resolver.caltech.edu/CaltechETD:etd-06062005-171257,
    title = "Speciation in Digital Organisms",
    year = "2005",
    url = "https://resolver.caltech.edu/CaltechETD:etd-06062005-171257",
    id = "record",
    doi = "10.7907/X1PD-TN75"
}


@other{https://resolver.caltech.edu/CaltechETD:etd-09042007-091804,
    title = "Evolution of genetic codes",
    year = "1999",
    url = "https://resolver.caltech.edu/CaltechETD:etd-09042007-091804",
    id = "record",
    doi = "10.7907/2z40-1m97"
}