Williamson, John and Murray-Smith, Roderick and Hughes, Stephen (2007) Devices as interactive physical containers: the Shoogle system. In: Proceedings of the SIGCHI conference on Human factors in computing systems , April 28–May 3, 2007, San Jose, California, USA..

Murray-Smith, Roderick and Williamson, John and Hughes, Stephen and Quaade, Torben (2008) Rub the stane. In: Association for Computing Machinery. ACM, Florence, Italy. ISBN 978-1-60558-012