@other{https://resolver.caltech.edu/CaltechETD:etd-02062008-112800,
    title = "Molecular ecology studies of methanotrophs in a freshwater lake sediment",
    year = "1999",
    url = "https://resolver.caltech.edu/CaltechETD:etd-02062008-112800",
    id = "record",
    doi = "10.7907/wrn9-ky21"
}