PSI 2018/2019 - Gravitational Physics - Lecture 3

          @misc{ scivideos_PIRSA:19010053,
            doi = {},
            url = {https://pirsa.org/19010053},
            author = {Gregory, Ruth},
            keywords = {},
            language = {en},
            title = {PSI 2018/2019 - Gravitational Physics - Lecture 3},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2019},
            month = {jan},
            note = {PIRSA:19010053 see, \url{https://scivideos.org/pirsa/19010053}}
          }