Discussion 1

          @misc{ scivideos_PIRSA:19090070,
            doi = {10.48660/19090070},
            url = {https://pirsa.org/19090070},
            author = {},
            keywords = {Cosmology},
            language = {en},
            title = {Discussion 1},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2019},
            month = {sep},
            note = {PIRSA:19090070 see, \url{https://scivideos.org/pirsa/19090070}}
          }