@inproceedings{ECDL-1997-PhelpsW,
	author        = "Thomas A. Phelps and Robert Wilensky",
	booktitle     = "{Proceedings of the First European Conference on Research and Advanced Technology for Digital Libraries}",
	doi           = "10.1007/BFb0026734",
	isbn          = "3-540-63554-8",
	pages         = "287--303",
	publisher     = "{Springer}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Multivalent Annotations}",
	volume        = 1324,
	year          = 1997,
}