Mark's Group

          @misc{ pirsa_PIRSA:04080011,
            doi = {},
            url = {https://pirsa.org/04080011},
            author = {},
            keywords = {},
            language = {en},
            title = {Mark{\textquoteright}s Group},
            publisher = {Perimeter Institute},
            year = {2004},
            month = {aug},
            note = {PIRSA:04080011 see, \url{https://pirsa.org}}
          }