Advanced General Relativity - Lecture 8A

          @misc{ pirsa_PIRSA:08030012,
            doi = {},
            url = {https://pirsa.org/08030012},
            author = {Poisson, Eric},
            keywords = {},
            language = {en},
            title = {Advanced General Relativity - Lecture 8A},
            publisher = {Perimeter Institute},
            year = {2008},
            month = {mar},
            note = {PIRSA:08030012 see, \url{https://pirsa.org}}
          }