@inproceedings{VISSOFT-2002-PurchaseCMC,
	author        = "Helen C. Purchase and Linda Colpoys and Matthew McGill and David A. Carrington",
	booktitle     = "{Proceedings of the First International Workshop on Visualizing Software for Understanding and Analysis}",
	doi           = "10.1109/VISSOF.2002.1019790",
	isbn          = "0-7695-1662-9",
	pages         = "13--22",
	publisher     = "{IEEE Computer Society}",
	title         = "{UML Collaboration Diagram Syntax: An Empirical Study of Comprehension}",
	year          = 2002,
}