@inproceedings{LICS-2015-GradelPSK,
	author        = "Erich Grädel and Wied Pakusa and Svenja Schalthofer and Lukasz Kaiser",
	booktitle     = "{Proceedings of the 30th Annual ACM/IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.2015.68",
	isbn          = "978-1-4799-8875-4",
	pages         = "677--688",
	publisher     = "{IEEE}",
	title         = "{Characterising Choiceless Polynomial Time with First-Order Interpretations}",
	year          = 2015,
}