Remarks on Gravitational Duality

          @misc{ scivideos_PIRSA:13070020,
            doi = {10.48660/13070020},
            url = {https://pirsa.org/13070020},
            author = {Henneaux, Marc},
            keywords = {},
            language = {en},
            title = {Remarks on Gravitational Duality},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2013},
            month = {jul},
            note = {PIRSA:13070020 see, \url{https://scivideos.org/index.php/pirsa/13070020}}
          }