@conference {13894,
	title = {A case study of tangible flags: a collaborative technology to enhance field trips},
	booktitle = {Proceedings of the 2006 conference on Interaction design and children},
	year = {2006},
	month = {2006///},
	pages = {1 - 8},
	author = {Chipman,G. and Druin, Allison and Beer,D. and Fails,J. A and Guha,M.L. and Simms,S.}
}
