@other{https://resolver.caltech.edu/CaltechETD:etd-12122007-141145, title = "Dynamic fracture problems involving highly transient crack growth histories : an investigation of dynamic failure in homgeneous and bimaterial systems", year = "1994", url = "https://resolver.caltech.edu/CaltechETD:etd-12122007-141145", id = "record", doi = "10.7907/k32y-0450" }