@other{https://resolver.caltech.edu/CaltechETD:etd-08302007-095221,
    title = "Thermodynamic and structural aspects of equilibrium and mechanically milled YBa2Cu3O6+delta powder",
    url = "https://resolver.caltech.edu/CaltechETD:etd-08302007-095221",
    id = "record",
    doi = "10.7907/xzfk-gw94"
}