@inproceedings{TOOLS-USA-1997-GrapeW,
	author        = "Per Grape and Kim Walden",
	booktitle     = "{Proceedings of the 23rd International Conference on Technology of Object-Oriented Languages and Systems}",
	doi           = "10.1109/TOOLS.1997.10013",
	isbn          = "0-8186-8383-X",
	pages         = "374",
	publisher     = "{IEEE Computer Society}",
	title         = "{Relational and Object-Oriented Coexistence}",
	year          = 1997,
}