erc: who: Cable, M. D. what: An x-ray technique for precision laser beam synchronization when: 19940502 where: https://digital.library.unt.edu/ark:/67531/metadc1385142/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/