@inproceedings{ICLP-1986-HelmM86,
	author        = "Richard Helm and Kim Marriott",
	booktitle     = "{Proceedings of the Third International Conference on Logic Programming}",
	doi           = "10.1007/3-540-16492-8_99",
	isbn          = "3-540-16492-8",
	pages         = "513--527",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Declarative Graphics}",
	volume        = 225,
	year          = 1986,
}