Relativity - Lecture 2

          @misc{ scivideos_PIRSA:11090025,
            doi = {},
            url = {https://pirsa.org/11090025},
            author = {Turok, Neil},
            keywords = {Cosmology},
            language = {en},
            title = {Relativity - Lecture 2},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2011},
            month = {sep},
            note = {PIRSA:11090025 see, \url{https://scivideos.org/index.php/pirsa/11090025}}
          }