@inproceedings{SEKE-1990-LakhotiaS,
	author        = "Arun Lakhotia and Leon Sterling",
	booktitle     = "{Proceedings of the Second International Conference on Software Engineering and Knowledge Engineering}",
	pages         = "78--83",
	publisher     = "{Knowledge Systems Institute}",
	title         = "{Program Development by Stepwise “Enhancement”}",
	year          = 1990,
}