An apology for DRS

          @misc{ scivideos_PIRSA:10090070,
            doi = {10.48660/10090070},
            url = {https://pirsa.org/10090070},
            author = {},
            keywords = {Quantum Gravity},
            language = {en},
            title = {An apology for DRS},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2010},
            month = {sep},
            note = {PIRSA:10090070 see, \url{https://scivideos.org/pirsa/10090070}}
          }