Gravitational Physics Lecture - 230123

          @misc{ scivideos_PIRSA:23010026,
            doi = {},
            url = {https://pirsa.org/23010026},
            author = {Gregory, Ruth},
            keywords = {},
            language = {en},
            title = {Gravitational Physics Lecture - 230123},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2023},
            month = {jan},
            note = {PIRSA:23010026 see, \url{https://scivideos.org/index.php/pirsa/23010026}}
          }