PHYS 781 - Lecture 20

          @misc{ pirsa_PIRSA:14110051,
            doi = {},
            url = {https://pirsa.org/14110051},
            author = {Afshordi, Niayesh},
            keywords = {Cosmology, Quantum Gravity, Strong Gravity},
            language = {en},
            title = {PHYS 781 - Lecture 20 },
            publisher = {Perimeter Institute},
            year = {2014},
            month = {nov},
            note = {PIRSA:14110051 see, \url{https://pirsa.org}}
          }