Gravity Basics - 1

          @misc{ pirsa_PIRSA:16070007,
            doi = {10.48660/16070007},
            url = {https://pirsa.org/16070007},
            author = {Hubeny, Veronika},
            keywords = {Quantum Fields and Strings, Quantum Gravity, Quantum Information},
            language = {en},
            title = {Gravity Basics - 1},
            publisher = {Perimeter Institute},
            year = {2016},
            month = {jul},
            note = {PIRSA:16070007 see, \url{https://pirsa.org}}
          }