@inproceedings{LICS-2008-ChenF,
	author        = "Taolue Chen and Wan Fokkink",
	booktitle     = "{Proceedings of the 23rd Annual IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.2008.13",
	isbn          = "978-0-7695-3183-0",
	pages         = "156--165",
	publisher     = "{IEEE Computer Society}",
	title         = "{On the Axiomatizability of Impossible Futures: Preorder versus Equivalence}",
	year          = 2008,
}