@TechReport{upitis1994a,
	author = {Rena Upitis and Richard Dearden and Kori Inkpen and Joan Lawry and Maria Klawe and Kelly Davidson and Stephen Leroux and David Hsu and Nic Thorne and Kamran Sedighian and Robert Scharein and Ann Anderson},
	title = {Weird-a-gons and Other Folded Objects: The Influence of Computer Animation, Paper Models and Cooperative Mediation on Spatial Understanding},
	institution = {Department of Computer Science, University of British Columbia},
	year = {1994},
	number = {TR-94-30},
	address = {Vancouver, BC, Canada} 
}