@inproceedings{LICS-2005-Rossman,
	author        = "Benjamin Rossman",
	booktitle     = "{Proceedings of the 20th IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.2005.16",
	isbn          = "0-7695-2266-1",
	pages         = "467--476",
	publisher     = "{IEEE Computer Society}",
	title         = "{Existential Positive Types and Preservation under Homomorphisisms}",
	year          = 2005,
}