@article{GT-VMT-2009-Fish,
	author        = "Andrew Fish",
	ee            = "http://journal.ub.tu-berlin.de/eceasst/article/view/266",
	journal       = "{Electronic Communications of the EASST}",
	pages         = "50--66",
	title         = "{Euler Diagram Transformations}",
	volume        = 18,
	year          = 2009,
}