@inproceedings{CADE-1984-Miller,
	author        = "Dale Miller",
	booktitle     = "{Proceedings of the Seventh International Conference on Automated Deduction}",
	doi           = "10.1007/BFb0047132",
	isbn          = "3-540-96022-8",
	pages         = "375--393",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Expansion Tree Proofs and Their Conversion to Natural Deduction Proofs}",
	volume        = 170,
	year          = 1984,
}