Spin Foams - 1

          @misc{ scivideos_PIRSA:13070041,
            doi = {10.48660/13070041},
            url = {https://pirsa.org/13070041},
            author = {Kaminski, Wojciech and Riello, Aldo and Speziale, Simone and Steinhaus, Sebastian},
            keywords = {},
            language = {en},
            title = {Spin Foams - 1},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2013},
            month = {jul},
            note = {PIRSA:13070041 see, \url{https://scivideos.org/pirsa/13070041}}
          }