Cosmic Bubble Collisions

          @misc{ scivideos_PIRSA:11070037,
            doi = {10.48660/11070037},
            url = {https://pirsa.org/11070037},
            author = {Kleban, Matthew},
            keywords = {Cosmology},
            language = {en},
            title = {Cosmic Bubble Collisions},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2011},
            month = {jul},
            note = {PIRSA:11070037 see, \url{https://scivideos.org/pirsa/11070037}}
          }