@other{https://resolver.caltech.edu/CaltechTHESIS:06192013-175010723, title = "Tools for the Study of Dynamical Spacetimes", year = "2014", url = "https://resolver.caltech.edu/CaltechTHESIS:06192013-175010723", id = "record", doi = "10.7907/Z9WD3XHF" }