@inproceedings{LICS-1994-HofmannS,
	author        = "Martin Hofmann and Thomas Streicher",
	booktitle     = "{Proceedings of the Ninth Annual Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1994.316071",
	isbn          = "0-8186-6310-3",
	pages         = "208--212",
	publisher     = "{IEEE Computer Society}",
	title         = "{The Groupoid Model Refutes Uniqueness of Identity Proofs}",
	year          = 1994,
}