@inproceedings{PEPM-2009-FradeSU,
	author        = "Maria João Frade and Ando Saabas and Tarmo Uustalu",
	booktitle     = "{Proceedings of the 14th Symposium on Partial Evaluation and Semantics-Based Program Manipulation}",
	doi           = "10.1145/1480945.1480965",
	isbn          = "978-1-60558-327-3",
	pages         = "141--150",
	publisher     = "{ACM}",
	title         = "{Bidirectional data-flow analyses, type-systematically}",
	year          = 2009,
}