@inproceedings{barr:issta:13,
	Author = {Earl T. Barr and Christian Bird and Mark Marron},
	Title = {Collecting a Heap of Shapes},
	Booktitle = {2013 International Symposium on Software Testing and Analysis
		(ISSTA'13)},
	Publisher = {ACM},
	Year = {2013},
	Location = {Lugano, Switzerland}
}