Strings/Quantum Gravity 1

          @misc{ pirsa_PIRSA:06060012,
            doi = {10.48660/06060012},
            url = {https://pirsa.org/06060012},
            author = {Cachazo, Freddy},
            keywords = {},
            language = {en},
            title = {Strings/Quantum Gravity 1},
            publisher = {Perimeter Institute},
            year = {2006},
            month = {jun},
            note = {PIRSA:06060012 see, \url{https://pirsa.org}}
          }