@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}}
}