@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20130306-085227002,
    chapter = "3-D Dynamic Analysis of Precariously Balanced Rocks  Under Earthquake Excitation",
    year = "2012",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20130306-085227002",
    id = "record"
}