(0,4) sigma models and K3

          @misc{ scivideos_PIRSA:13120071,
            doi = {10.48660/13120071},
            url = {https://pirsa.org/13120071},
            author = {Harrison, Sarah},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {(0,4) sigma models and K3 },
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2013},
            month = {dec},
            note = {PIRSA:13120071 see, \url{https://scivideos.org/index.php/pirsa/13120071}}
          }