Twistor space, amplitudes and unitarity methods

          @misc{ pirsa_PIRSA:05120001,
            doi = {10.48660/05120001},
            url = {https://pirsa.org/05120001},
            author = {},
            keywords = {Quantum Fields and Strings, Particle Physics},
            language = {en},
            title = {Twistor space, amplitudes and unitarity methods},
            publisher = {Perimeter Institute},
            year = {2005},
            month = {dec},
            note = {PIRSA:05120001 see, \url{https://pirsa.org}}
          }