PSI 2017/2018 - Quantum Gravity - Lecture 15

          @misc{ scivideos_PIRSA:18040012,
            doi = {},
            url = {https://pirsa.org/18040012},
            author = {Freidel, Laurent},
            keywords = {Quantum Gravity},
            language = {en},
            title = {PSI 2017/2018 - Quantum Gravity - Lecture 15},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2018},
            month = {apr},
            note = {PIRSA:18040012 see, \url{https://scivideos.org/index.php/pirsa/18040012}}
          }