Discussion 2

          @misc{ pirsa_PIRSA:18060012,
            doi = {10.48660/18060012},
            url = {https://pirsa.org/18060012},
            author = {},
            keywords = {Cosmology, Particle Physics},
            language = {en},
            title = {Discussion 2},
            publisher = {Perimeter Institute},
            year = {2018},
            month = {jun},
            note = {PIRSA:18060012 see, \url{https://pirsa.org}}
          }