@inproceedings{UML-1998-SaksenaLFE,
	author        = "Minika Saksena and Maria M. Larrondo-Petrie and Robert B. France and Matthew P. Evett",
	booktitle     = "{Selected Papers of the First International Workshop on the Unified Modeling Language: Beyond the Notation}",
	doi           = "10.1007/978-3-540-48480-6_33",
	editor        = "Jean Bézivin and Pierre-Alain Muller",
	isbn          = "3-540-66252-9",
	pages         = "435--441",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Extending Aggregation Constructs in UML}",
	volume        = 1618,
	year          = 1998,
}