Making Light of Mathematics

          @misc{ pirsa_PIRSA:04030002,
            doi = {},
            url = {https://pirsa.org/04030002},
            author = {Berry, Michael},
            keywords = {},
            language = {en},
            title = {Making Light of Mathematics},
            publisher = {Perimeter Institute},
            year = {2004},
            month = {mar},
            note = {PIRSA:04030002 see, \url{https://pirsa.org}}
          }