Learning to Count

          @misc{ pirsa_PIRSA:04100009,
            doi = {10.48660/04100009},
            url = {https://pirsa.org/04100009},
            author = {},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {Learning to Count},
            publisher = {Perimeter Institute},
            year = {2004},
            month = {oct},
            note = {PIRSA:04100009 see, \url{https://pirsa.org}}
          }