@inproceedings{steed2003strangerstime,
 author = {Steed A, Spante M, Heldal I, Axelsson A-S, Schroeder R},
 title = {Strangers and friends in caves: an exploratory study of collaboration in networked IPT systems for extended periods of time},
 year = {2003},
 booktitle = {Proc. ACM i3D},
}