PSI 2016/2017 - Gravitational Physics - Lecture 2

          @misc{ scivideos_PIRSA:17010020,
            doi = {},
            url = {https://pirsa.org/17010020},
            author = {Gregory, Ruth},
            keywords = {},
            language = {en},
            title = {PSI 2016/2017 - Gravitational Physics - Lecture 2},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2017},
            month = {jan},
            note = {PIRSA:17010020 see, \url{https://scivideos.org/pirsa/17010020}}
          }