PSI 2016/2017 - Gravitational Physics - Lecture 3

          @misc{ scivideos_PIRSA:17010021,
            doi = {},
            url = {https://pirsa.org/17010021},
            author = {Gregory, Ruth},
            keywords = {},
            language = {en},
            title = {PSI 2016/2017 - Gravitational Physics - Lecture 3},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2017},
            month = {jan},
            note = {PIRSA:17010021 see, \url{https://scivideos.org/index.php/pirsa/17010021}}
          }