GPS and Relativity Continued

          @misc{ scivideos_PIRSA:06070035,
            doi = {},
            url = {https://pirsa.org/06070035},
            author = {Pope, Damian},
            keywords = {},
            language = {en},
            title = {GPS and Relativity Continued},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2006},
            month = {jul},
            note = {PIRSA:06070035 see, \url{https://scivideos.org/pirsa/06070035}}
          }