@inproceedings{crabtree2004orchestratingground,
 author = {Crabtree A, Benford S, Rodden T, Greenhalgh C, Anastasi R, Drozd A, Adams M, Row-Farr J, Flintham M, Tandavanitj N, Steed A},
 title = {Orchestrating a mixed reality game 'on the ground'},
 year = {2004},
 booktitle = {Proc. ACM CHI},
}