13/14 PSI - Gravitational Physics Review - Lecture 4

          @misc{ scivideos_PIRSA:14010030,
            doi = {},
            url = {https://pirsa.org/14010030},
            author = {Gregory, Ruth},
            keywords = {},
            language = {en},
            title = {13/14 PSI - Gravitational Physics Review - Lecture 4},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2014},
            month = {jan},
            note = {PIRSA:14010030 see, \url{https://scivideos.org/pirsa/14010030}}
          }