Error free quantum gravity

          @misc{ scivideos_PIRSA:05110014,
            doi = {},
            url = {https://pirsa.org/05110014},
            author = {},
            keywords = {},
            language = {en},
            title = {Error free quantum gravity },
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2005},
            month = {nov},
            note = {PIRSA:05110014 see, \url{https://scivideos.org/index.php/pirsa/05110014}}
          }