Four-point scattering from Amplituhedron

          @misc{ scivideos_strings:20141053,
            doi = {},
            url = {https://scivideos.org/strings-conferences/20141053},
            author = {},
            keywords = {},
            language = {en},
            title = {Four-point scattering from Amplituhedron},
            publisher = {},
            year = {},
            month = {},
            note = {strings:20141053 see, \url{https://scivideos.org/strings-conferences/20141053}}
          }