Discussion 1

          @misc{ scivideos_PIRSA:14110068,
            doi = {10.48660/14110068},
            url = {https://pirsa.org/14110068},
            author = {Gammie, Charles},
            keywords = {Strong Gravity},
            language = {en},
            title = {Discussion 1},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2014},
            month = {nov},
            note = {PIRSA:14110068 see, \url{https://scivideos.org/pirsa/14110068}}
          }