@inproceedings{VDME-1988-Ruggles,
	author        = "Clive Ruggles",
	booktitle     = "{Proceedings of the Second European Symposium on Vienna Development Method: The Way Ahead}",
	doi           = "10.1007/3-540-50214-9_5",
	isbn          = "3-540-50214-9",
	pages         = "64--73",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Towards a Formal Definition of GKS and other Graphic Standards}",
	volume        = 328,
	year          = 1988,
}