General Relativity for Cosmology - Lecture 18A

          @misc{ pirsa_PIRSA:09110009,
            doi = {},
            url = {https://pirsa.org/09110009},
            author = {Kempf, Achim},
            keywords = {},
            language = {en},
            title = {General Relativity for Cosmology - Lecture 18A},
            publisher = {Perimeter Institute},
            year = {2009},
            month = {nov},
            note = {PIRSA:09110009 see, \url{https://pirsa.org}}
          }