@inproceedings{CSL-2018-KozenS,
	author        = "Dexter Kozen and Thomas Schwentick",
	booktitle     = "{Proceedings of the 27th EACSL Annual Conference on Computer Science Logic}",
	doi           = "10.4230/LIPIcs.CSL.2018.1",
	isbn          = "978-3-95977-088-0",
	pages         = "5",
	publisher     = "{Schloss Dagstuhl - Leibniz-Zentrum für Informatik}",
	title         = "{The Ackermann Award 2018}",
	year          = 2018,
}