Gravitational Physics - Review (PHYS 636) - Lecture 3

          @misc{ pirsa_PIRSA:10010031,
            doi = {},
            url = {https://pirsa.org/10010031},
            author = {Gregory, Ruth},
            keywords = {},
            language = {en},
            title = {Gravitational Physics - Review (PHYS 636) - Lecture 3},
            publisher = {Perimeter Institute},
            year = {2010},
            month = {jan},
            note = {PIRSA:10010031 see, \url{https://pirsa.org}}
          }