@inproceedings{LICS-1989-Vrijer,
	author        = "Roel C. de Vrijer",
	booktitle     = "{Proceedings of the Fourth Annual Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1989.39175",
	isbn          = "0-8186-1954-6",
	pages         = "204--215",
	publisher     = "{IEEE Computer Society}",
	title         = "{Extending the λ Calculus with Surjective Pairing is Conservative}",
	year          = 1989,
}