@proceedings{conf/kgc/1993, title = "Computational Logic and Proof Theory, Third Kurt G{\"o}del Colloquium, KGC'93, Brno, Czech Republic, August 24-27, 1993, Proceedings", year = "1993", booktitle = "{Kurt G{\"o}del Colloquium}", editor = "Georg Gottlob and Alexander Leitsch and Daniele Mundici", isbn = "3-540-57184-1", publisher = "Springer", series = "Lecture Notes in Computer Science", volume = "713", }