@article{GT-VMT-2009-RensinkK,
	author        = "Arend Rensink and Jan-Hendrik Kuperus",
	ee            = "http://journal.ub.tu-berlin.de/eceasst/article/view/260",
	journal       = "{Electronic Communications of the EASST}",
	pages         = "23--37",
	title         = "{Repotting the Geraniums: On Nested Graph Transformation Rules}",
	volume        = 18,
	year          = 2009,
}